skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : CHENGSON, DAVID P.
Total Assignments: 16
Assignment: 1
Reel/Frame:004609/0010   Pages: 1
Recorded: 07/23/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
CHENGSON, DAVID P.
Exec Dt:
07/17/1986
Assignee
1
TANDEM COMPUTERS INCORPORATED, 19333 VALLCO PARKWAY, CUPERTINO, CA., 95014-2599
CALIFORNIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5041747
NONE
06889439
Correspondence name and address
ROBERT J. BENNETT
TOWNSEND AND TOWNSEND
STEUART STREET TOWER, ONE MARKET PLAZA
SAN FRANCISCO, CA 94105
Assignment: 2
Reel/Frame:004657/0448   Pages: 1
Recorded: 12/17/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
CHENGSON, DAVID P.
Exec Dt:
11/07/1986
2
KHAN, AURANGZEB K.
Exec Dt:
11/07/1986
Assignee
1
TANDEM COMPUTERS INCORPORATED
19333 VALLCO PARKWAY
CUPERTINO, CALIFORNIA 95014-2599
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4728818
NONE
06942669
Correspondence name and address
ROBERT J. BENNETT
TOWNSEND & TOWNSEND
STEUART STREET TOWER
ONE MARKET PLAZA
SAN FRANCISCO, CA 94105
Assignment: 3
Reel/Frame:005276/0597   Pages: 1
Recorded: 04/05/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
COSTANTINO, CIRILLO L.
Exec Dt:
03/01/1990
2
CHENGSON, DAVID P.
Exec Dt:
03/27/1990
Assignee
1
TANDEM COMPUTERS INCORPORATED,
19333 VALLCO PARKWAY,
CUPERTINO,, CALIFORNIA 95014
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5036528
NONE
07471915
Correspondence name and address
ROBERT J. BENNETT
TOWNSEND & TOWNSEND
STEUART STREET TOWER
ONE MARKET PLAZA
SAN FRANCISCO, CA 94105
Assignment: 4
Reel/Frame:007975/0151   Pages: 2
Recorded: 04/26/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENGSON, DAVID P.
Exec Dt:
04/22/1996
2
CONRAD, ROBERT A.
Exec Dt:
04/22/1996
Assignee
1
SILICON GRAPHICS, INC.
2011 N. SHORELINE BLVD.
MOUNTAIN VIEW, CALIFORNIA 94043
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5811997
NONE
08638186
Correspondence name and address
SILICON GRAPHICS, INC.
MICHAEL B. RAY
2011 N. SHORELINE BLVD.
MAIL STOP 710
MOUNTAIN VIEW, CA 94043
Assignment: 5
Reel/Frame:007973/0671   Pages: 5
Recorded: 06/14/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENGSON, DAVID P.
Exec Dt:
05/13/1996
2
COLLINS, HANSEL A.
Exec Dt:
05/14/1996
3
PRIEST, EDWARD C.
Exec Dt:
05/28/1996
4
ALVAREZ, SCOTT W.
Exec Dt:
06/06/1996
Assignee
1
SILICON GRAPHICS, INC.
MAIL STOP 18-710
2011 NORTH SHORELINE BOULEVARD
MOUNTAIN VIEW, CALIFORNIA 94043
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5790612
NONE
08609068
Correspondence name and address
SILICON GRAPHICS, INC.
DAVID C. ISAACSON
2011 NORTH SHORELINE BOULEVARD
MAIL STOP 18-710
MOUNTAIN VIEW, CALIFORNIA 94043-1389
Assignment: 6
Reel/Frame:016596/0733   Pages: 3
Recorded: 05/23/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENGSON, DAVID P.
Exec Dt:
05/18/2005
2
BANDYOPADHYAY, JAYA
Exec Dt:
05/18/2005
Assignee
1
JUNIPER NETWORKS, INC.
1194 NORTH MATHILDA AVENUE
SUNNYVALE, CALIFORNIA 94089-1206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8411695
NONE
11134256
Correspondence name and address
BRIAN E. LEDELL
HARRIT & SNYDER, L.L.P.
11240 WAPLES MILL ROAD
SUTE 300
FAIRFAX, VIRGINIA 22030
Assignment: 7
Reel/Frame:023711/0059   Pages: 6
Recorded: 12/29/2009
Attorney Dkt #:0023-0494
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENGSON, DAVID P.
Exec Dt:
12/28/2009
2
WU, CHANG-HONG
Exec Dt:
12/28/2009
Assignee
1
JUNIPER NETWORKS, INC.
1194 NORTH MATHILDA AVENUE
SUNNYVALE, CALIFORNIA 94089-1206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8452908
US20110161544
12648373
Correspondence name and address
HARRITY & HARRITY, LLP
11350 RANDOM HILLS ROAD
SUITE 600
FAIRFAX, VA 22030
Assignment: 8
Reel/Frame:024288/0659   Pages: 3
Recorded: 04/26/2010
Attorney Dkt #:0023-0501
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENGSON, DAVID P.
Exec Dt:
04/21/2010
2
DO, VICTOR
Exec Dt:
04/21/2010
Assignee
1
JUNIPER NETWORKS, INC.
1194 NORTH MATHILDA AVENUE
SUNNYVALE, CALIFORNIA 94089-1206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8164392
US20110260769
12767194
Correspondence name and address
HARRITY & HARRITY, LLP
11350 RANDOM HILLS ROAD
SUITE 600
FAIRFAX, VA 22030
Assignment: 9
Reel/Frame:024308/0454   Pages: 3
Recorded: 04/29/2010
Attorney Dkt #:0023-0503
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENGSON, DAVID P.
Exec Dt:
04/28/2010
2
RANGASWAMY, GRANTHANA
Exec Dt:
04/28/2010
Assignee
1
JUNIPER NETWORKS, INC.
1194 NORTH MATHILDA AVENUE
SUNNYVALE, CALIFORNIA 94089-1206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110267073
12769749
Correspondence name and address
HARRITY & HARRITY, LLP
11350 RANDOM HILLS ROAD
SUITE 600
FAIRFAX, VA 22030
Assignment: 10
Reel/Frame:025785/0641   Pages: 3
Recorded: 02/10/2011
Attorney Dkt #:0023-0568
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENGSON, DAVID P.
Exec Dt:
02/09/2011
Assignee
1
JUNIPER NETWORKS, INC.
1194 NORTH MATHILDA AVENUE
SUNNYVALE, CALIFORNIA 94089-1206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8508248
NONE
13024408
Correspondence name and address
HARRITY & HARRITY, LLP
11350 RANDOM HILLS ROAD
SUITE 600
FAIRFAX, VA 22030
Assignment: 11
Reel/Frame:026710/0553   Pages: 2
Recorded: 08/05/2011
Attorney Dkt #:1014-480US01/JNP-1539
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENGSON, DAVID P.
Exec Dt:
08/03/2011
2
WU, CHANG-HONG
Exec Dt:
08/03/2011
Assignee
1
JUNIPER NETWORKS, INC.
1194 NORTH MATHILDA AVENUE
SUNNYVALE, CALIFORNIA 94089-1206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9237003
NONE
13204391
Correspondence name and address
SHUMAKER & SIEFFERT, P.A
1625 RADIO DRIVE , SUITE 300
WOODBURY, MN 55125
Assignment: 12
Reel/Frame:040693/0539   Pages: 3
Recorded: 12/20/2016
Attorney Dkt #:1014-892US01/JNP2549-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENGSON, DAVID P.
Exec Dt:
12/16/2016
2
CHANG, EDWARD C.
Exec Dt:
12/20/2016
3
DOPPALAPUDI, RANJEETH
Exec Dt:
12/16/2016
4
PAPPU, SANTOSH KUMAR
Exec Dt:
12/16/2016
Assignee
1
JUNIPER NETWORKS, INC.
1133 INNOVATION WAY
SUNNYVALE, CALIFORNIA 94089-1206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10231325
NONE
15385161
Correspondence name and address
SHUMAKER & SIEFFERT, P.A
1625 RADIO DRIVE , SUITE 100
WOODBURY, MN 55125
Assignment: 13
Reel/Frame:040755/0209   Pages: 6
Recorded: 12/22/2016
Attorney Dkt #:1014-914US01/JNP2592-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENGSON, DAVID P.
Exec Dt:
12/20/2016
2
RANGASWAMY, GRANTHANA KATTEHALLI
Exec Dt:
12/21/2016
3
OFELT, DAVID JAMES
Exec Dt:
12/20/2016
4
PRIEST, EDWARD C.
Exec Dt:
12/21/2016
5
PATEL, BHAVESH
Exec Dt:
12/20/2016
Assignee
1
JUNIPER NETWORKS, INC.
1133 INNOVATION WAY
SUNNYVALE, CALIFORNIA 94089-1206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10069596
NONE
15388901
Correspondence name and address
SHUMAKER & SIEFFERT, P.A
1625 RADIO DRIVE , SUITE 100
WOODBURY, MN 55125
Assignment: 14
Reel/Frame:041129/0316   Pages: 2
Recorded: 12/21/2016
Attorney Dkt #:1014-901US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENGSON, DAVID P.
Exec Dt:
12/20/2016
2
DOPPALAPUDI, RANJEETH
Exec Dt:
12/21/2016
Assignee
1
JUNIPER NETWORKS, INC.
1133 INNOVATION WAY
SUNNYVALE, CALIFORNIA 94089-1206
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10365314
NONE
15386711
Correspondence name and address
SHUMAKER & SIEFFERT, P.A
1625 RADIO DRIVE , SUITE 100
WOODBURY, MN 55125
Assignment: 15
Reel/Frame:045351/0582   Pages: 3
Recorded: 03/26/2018
Attorney Dkt #:0023-0861
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHENGSON, DAVID P.
Exec Dt:
03/16/2018
2
DOPPALAPUDI, RANJEETH
Exec Dt:
03/23/2018
Assignee
1
JUNIPER NETWORKS, INC.
1133 INNOVATION WAY
SUNNYVALE, CALIFORNIA 94089
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10455690
NONE
15934813
Correspondence name and address
HARRITY AND HARRITY LLP
11350 RANDOM HILLS ROAD
SUITE 600
FAIRFAX, VA 22030
Assignment: 16
Reel/Frame:045351/0689   Pages: 3
Recorded: 03/26/2018
Attorney Dkt #:0023-0861CP1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHENGSON, DAVID P.
Exec Dt:
03/23/2018
Assignee
1
JUNIPER NETWORKS, INC.
1133 INNOVATION WAY
SUNNYVALE, CALIFORNIA 94089
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10455691
NONE
15934826
Correspondence name and address
HARRITY AND HARRITY LLP
11350 RANDOM HILLS ROAD
SUITE 600
FAIRFAX, VA 22030

Search Results as of: 05/24/2024 04:16 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT