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Patent Assignment Assignor Details
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Assignor Name : ENVIROTECH CORPORATION
Total Assignments: 74
Assignment: 1
Reel/Frame:003866/0208   Pages: 1
Recorded: 06/29/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
09/16/1974
Assignee
1
LEBLOND INCORPORATED, A CORP. OF DE.
MADISON AND EDWARDS RDS.
NORWOOD, OHIO
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
3219285
NONE
04274592
Correspondence name and address
WOOD, HERRON & EVANS
2700 CAREW TOWER
CINCINNATI, OHIO 45202
Assignment: 2
Reel/Frame:003801/0505   Pages: 2
Recorded: 09/12/1980
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
05/01/1980
Assignee
1
LURGI CORPORATION
1 DAVIS DRIVE
A CORP. OF DE.
BELMONT, CALIFORNIA 94002
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
4215637
NONE
06025805
 
RE31046
NONE
06066701
Correspondence name and address
FLEHR, HOHBACH, TEST ET AL
160 SANSOME ST.
SAN FRANCISCO, CA. 94104
Assignment: 3
Reel/Frame:003841/0554   Pages: 1
Recorded: 03/19/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
03/04/1981
Assignee
1
LURGI CORPORATION
1 DAVIS DRIVE
A CORP. OF DE.
BELMONT, CALIFORNIA 94002
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4248164
NONE
06018389
Correspondence name and address
FLEHR, HOHBACH ET AL
160 SANSOME ST.
SAN FRANCISCO, CA. 94104
Assignment: 4
Reel/Frame:003986/0974   Pages: 3
Recorded: 04/08/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
03/27/1981
Assignee
1
BAHNSON COMPANY, THE
1001 SOUTH MARSHALL ST.
WINSTON-SALEM, NORTH CAROLINA 27108
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
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3148495
NONE
04083418
 
3153803
NONE
04229926
 
3282032
NONE
04351418
 
3246854
NONE
04355816
 
3282575
NONE
04369760
 
3483675
NONE
04608879
 
3499267
NONE
04754007
 
D237046
NONE
05454994
 
3916089
NONE
05477739
 
4150960
NONE
05716607
 
4092764
NONE
05747138
 
4079483
NONE
05747139
 
4174362
NONE
05777279
 
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NONE
05900034
 
4246987
NONE
06026980
 
4266948
NONE
06109695
 
4339782
NONE
06134361
 
4342130
NONE
06228825
Correspondence name and address
DANN, DORFMAN, HERRELL, ET AL.
1310 FIDELITY BLDG.
123 S. BROAD ST.
PHILADELPHIA, PA. 19109
Assignment: 5
Reel/Frame:003933/0138   Pages: 7
Recorded: 07/15/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
04/25/1981
Assignee
1
GENERAL ELECTRIC COMPANY, A CORP. OF NY.
1 RIVER RD
SCHENECTADY, NEW YORK
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
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NONE
04017764
 
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NONE
04063694
 
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
05148452
 
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NONE
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NONE
05154366
 
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NONE
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NONE
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3839850
NONE
05214661
 
3775532
NONE
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3832832
NONE
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NONE
05264809
 
3833711
NONE
05280728
 
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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NONE
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4308494
NONE
06050282
 
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NONE
06057625
 
4284417
NONE
06130642
 
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NONE
06144713
 
4294591
NONE
06148845
 
4290787
NONE
06148846
 
4322224
NONE
06202175
Correspondence name and address
P.L. SCHLAMP
GENERAL ELECTRIC CO.
2001 JEFFERSON DAVIS HWY.
ARLINGTON, VA. 22202
Assignment: 6
Reel/Frame:003927/0092   Pages: 3
Recorded: 10/22/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
10/09/1981
Assignee
1
DRESSER INDUSTRIES, INC.
DRESSER BLDG.
DALLAS, TEXAS 75201
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
3998611
NONE
05579960
 
4077783
NONE
05588225
 
4246010
NONE
05682217
 
4152183
NONE
05816009
 
4181509
NONE
05856296
 
4185778
NONE
05891615
 
4202675
NONE
05901435
 
4360367
NONE
06295970
 
4362538
NONE
06295971
 
4360366
NONE
06309177
Correspondence name and address
DANIEL RUBIN
DRESSER INDUSTRIES, INC.
P.O. BOX 718
DALLAS, TX. 75221
Assignment: 7
Reel/Frame:003926/0517   Pages: 2
Recorded: 11/09/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
10/20/1981
Assignee
1
AMERICAN SURFPAC CORPORATION, A CORP. OF PA.
26 EAST MARKET ST.
P.O. BOX 424
WEST CHESTER, PENNSYLVANIA 19380
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
3295840
NONE
04205754
 
3281307
NONE
04235189
 
3340341
NONE
04291755
 
3263977
NONE
04310538
 
3379594
NONE
04318582
 
3542626
NONE
04628953
Correspondence name and address
ENVIROTECH CORPORATION
3000 SAND HILL RD.,
MENLO PARK, CA. 94025
Assignment: 8
Reel/Frame:004142/0089   Pages: 2
Recorded: 06/27/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
06/02/1983
Assignee
1
O'CONNOR COMBUSTOR CORPORATION,
SOUTH CAROLINA
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
3822651
NONE
05394050
 
4066024
NONE
05644127
Correspondence name and address
BAILEY & HARDWAY
125 BROADUS AVE.
GREENVILLE, SC 29601
Assignment: 9
Reel/Frame:004184/0732   Pages: 1
Recorded: 11/02/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
10/25/1983
Assignee
1
ENVIROTECH COAL SERVICES OF WEST VIRGINIA, INC.
BECKLEY, W., VIRGINIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4405453
NONE
06351384
Correspondence name and address
EIMCO PROCESS EQUIPMENT COMPANY
P.O. BOX 300
SALT LAKE CITY, UT. 84110
Assignment: 10
Reel/Frame:005252/0145   Pages: 4
Recorded: 08/10/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/31/1989
Assignee
1
TAMROCK WORLD CORPORATION N.V., C/O PIERSON, HELDRING & PIERSON
6 JOHN B. GORSIRAWEG
A CORP. OF THE NETHERLANDS ANTILLES
CURACAO, NETHERLANDS ANTILLES
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
3827720
NONE
05347644
 
3827721
NONE
05347645
 
3874698
NONE
05347646
 
3911305
NONE
05358724
 
3939958
NONE
05431796
 
3893520
NONE
05435196
 
3865197
NONE
05437660
 
3880303
NONE
05461273
 
3865206
NONE
05461274
 
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NONE
05497267
 
4074784
NONE
05497294
 
3990522
NONE
05589907
 
4118658
NONE
05790304
 
4117894
NONE
05793723
 
4079792
NONE
05806624
 
4284368
NONE
06004429
 
4265587
NONE
06060267
 
4447072
NONE
06330545
 
4465293
NONE
06437497
 
4439938
NONE
06549213
 
4588037
NONE
06680617
 
3756095
NONE
UNAVAILABLE
 
4079784
NONE
UNAVAILABLE
 
3756095
NONE
UNAVAILABLE
 
4108253
NONE
UNAVAILABLE
 
4108253
NONE
UNAVAILABLE
Correspondence name and address
EVAN M. KENT
MCDERMOTT, WILL & EMERY
111 WEST MONROE STREET
CHICAGO, ILLINOIS 60603-4067
Assignment: 11
Reel/Frame:005623/0853   Pages: 4
Recorded: 03/08/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
03/07/1991
Assignee
1
BAKER HUGHES INCORPORATED, A DE CORP.
3900 ESSEX LANE
SUITE 1200
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5092482
NONE
07492776
Correspondence name and address
BAKER HUGHES INCORPORATED
3900 ESSEX LANE - SUITE 1200
P.O. BOX 4740
HOUSTON, TX 77210-4740
ATTN: CARL A. ROWOLD
Assignment: 12
Reel/Frame:007150/0105   Pages: 4
Recorded: 09/26/1994
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
03/02/1994
Assignee
1
BAKER ACQUISITION CORPORATION
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
4229304
NONE
06077865
 
4293417
NONE
06143991
Correspondence name and address
CARL A. ROWOLD
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
SUITE 1200
HOUSTON, TX 77027
Assignment: 13
Reel/Frame:007061/0465   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5106499
NONE
07494224
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 14
Reel/Frame:007061/0468   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4697511
NONE
06753033
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 15
Reel/Frame:007061/0471   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4624787
NONE
06731172
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 16
Reel/Frame:007061/0474   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4927537
NONE
07321440
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 17
Reel/Frame:007061/0477   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4647215
NONE
06837979
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 18
Reel/Frame:007061/0480   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4806239
NONE
06936091
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 19
Reel/Frame:007061/0488   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4424130
NONE
06414149
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 20
Reel/Frame:007061/0491   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4865753
NONE
07207987
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 21
Reel/Frame:007061/0494   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4401576
NONE
06220843
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 22
Reel/Frame:007061/0501   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4848749
NONE
07222461
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 23
Reel/Frame:007061/0504   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4515694
NONE
06490741
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 24
Reel/Frame:007061/0510   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5064532
NONE
07580110
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 25
Reel/Frame:007066/0045   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4764314
NONE
07013158
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 26
Reel/Frame:007066/0048   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4737288
NONE
06714165
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 27
Reel/Frame:007066/0051   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5116443
NONE
07491687
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 28
Reel/Frame:007066/0054   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4933524
NONE
07325274
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 29
Reel/Frame:007066/0057   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4526691
NONE
06448491
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 30
Reel/Frame:007066/0060   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES CORPORATION
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5006241
NONE
07312910
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 31
Reel/Frame:007066/0072   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4710293
NONE
06806656
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 32
Reel/Frame:007067/0785   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
ATTN: MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5092482
NONE
07492776
Correspondence name and address
BAKER HUGHES INCORPORATED
ATTN: MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 33
Reel/Frame:007067/0788   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5227136
NONE
07612585
Correspondence name and address
BAKER HUGHES INCORPORATED
ATTN: MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 34
Reel/Frame:007067/0791   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5057284
NONE
07322666
Correspondence name and address
BAKER HUGHES INCORPORATED
ATTN: MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 35
Reel/Frame:007067/0794   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5007620
NONE
07235238
Correspondence name and address
BAKER HUGHES INCORPORATED
ATTN: MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 36
Reel/Frame:007067/0811   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4974816
NONE
07005670
Correspondence name and address
BAKER HUGHES INCORPORATED
ATTN: MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 37
Reel/Frame:007067/0814   Pages: 3
Recorded: 07/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/08/1994
Assignee
1
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4732608
NONE
06827324
Correspondence name and address
BAKER HUGHES INCORPORATED
ATTN: MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 38
Reel/Frame:007078/0798   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
DAWSON, MARYLU
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4364827
NONE
06107213
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 39
Reel/Frame:007078/0801   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
DAWSON, MARYLU
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4159951
NONE
UNAVAILABLE
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 40
Reel/Frame:007078/0804   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
DAWSON, MARYLU
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4191652
NONE
UNAVAILABLE
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 41
Reel/Frame:007078/0807   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
DAWSON, MARYLU
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4107028
NONE
UNAVAILABLE
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 42
Reel/Frame:007078/0810   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
DAWSON, MARYLU
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4336139
NONE
06209937
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 43
Reel/Frame:007078/0813   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
DAWSON, MARYLU
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4134835
NONE
UNAVAILABLE
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 44
Reel/Frame:007078/0816   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
DAWSON, MARYLU
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4110210
NONE
05791102
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 45
Reel/Frame:007078/0819   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED DAWSON, MARYLU
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4271027
NONE
06025804
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 46
Reel/Frame:007078/0822   Pages: 200
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
DAWSON, MARYLU
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4193877
NONE
UNAVAILABLE
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 47
Reel/Frame:007078/0825   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
DAWSON, MARYLU
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4275020
NONE
05944116
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 48
Reel/Frame:007082/0251   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4217916
NONE
06025758
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 49
Reel/Frame:007082/0254   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4161395
NONE
UNAVAILABLE
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 50
Reel/Frame:007082/0257   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4259777
NONE
06148626
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 51
Reel/Frame:007082/0260   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4152267
NONE
UNAVAILABLE
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 52
Reel/Frame:007082/0263   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4226706
NONE
06065028
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 53
Reel/Frame:007082/0266   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4066520
NONE
UNAVAILABLE
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 54
Reel/Frame:007082/0269   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4096053
NONE
UNAVAILABLE
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 55
Reel/Frame:007082/0272   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4229304
NONE
06077865
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 56
Reel/Frame:007082/0275   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4282082
NONE
06116507
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 57
Reel/Frame:007082/0278   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4055494
NONE
05768315
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 58
Reel/Frame:007082/0281   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4082671
NONE
05728480
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 59
Reel/Frame:007082/0284   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4159243
NONE
05823068
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 60
Reel/Frame:007082/0287   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4391705
NONE
06268214
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 61
Reel/Frame:007082/0290   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4378437
NONE
06315719
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 62
Reel/Frame:007082/0293   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4401576
NONE
06220843
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 63
Reel/Frame:007089/0250   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4293411
NONE
06114855
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 64
Reel/Frame:007089/0253   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4072611
NONE
UNAVAILABLE
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 65
Reel/Frame:007089/0256   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4173534
NONE
05859768
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 66
Reel/Frame:007089/0259   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4147634
NONE
UNAVAILABLE
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 67
Reel/Frame:007089/0262   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4290865
NONE
06114477
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 68
Reel/Frame:007089/0265   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4256553
NONE
06114476
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 69
Reel/Frame:007089/0268   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
MARYLU DAWSON
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4216094
NONE
06022236
Correspondence name and address
MARYLU DAWSON
BAKER HUGHES INCORPORATED
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 70
Reel/Frame:007117/0852   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4105560
NONE
UNAVAILABLE
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 71
Reel/Frame:007118/0736   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
MARYLU DAWSON 3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4247400
NONE
06030673
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TX 77027
Assignment: 72
Reel/Frame:007124/0187   Pages: 3
Recorded: 07/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
07/18/1994
Assignee
1
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4153071
NONE
UNAVAILABLE
Correspondence name and address
BAKER HUGHES INCORPORATED
MARYLU DAWSON
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Assignment: 73
Reel/Frame:007198/0868   Pages: 5
Recorded: 11/10/1994
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
09/25/1994
Assignee
1
EVT HOLDINGS, INC.
PATENT DEPT. 3900 ESSEX LANE
HOUSTON,, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5361708
NONE
08015409
Correspondence name and address
BAKER HUGHES INCORPORATED
SANDRA E. ALFORD
PATENT DEPT.
3900 ESSEX LANE, SUITE 1200
HOUSTON, TX 77027
Assignment: 74
Reel/Frame:007629/0417   Pages: 5
Recorded: 08/28/1995
Conveyance: CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor
1
ENVIROTECH CORPORATION
Exec Dt:
09/30/1994
Assignee
1
EVT HOLDINGS, INC.
SUITE 1200
3900 ESSEX LANE
HOUSTON, TEXAS 77027
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
4782789
NONE
07112397
 
5011597
NONE
07384833
 
4986903
NONE
07385005
 
5080780
NONE
07563323
Correspondence name and address
BAKER HUGHES INCORPORATED
LORETTA BOGAARD
3900 ESSEX LANE, SUITE 1200
HOUSTON, TEXAS 77027

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