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Patent Assignment Assignor Details
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Assignor Name : EWERT, DAVID P.
Total Assignments: 4
Assignment: 1
Reel/Frame:005657/0750   Pages: 5
Recorded: 04/08/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/01/1991
2
Exec Dt:
04/01/1991
3
Exec Dt:
04/01/1991
4
Exec Dt:
03/12/1991
Assignee
1
DUNCAN, STEPHENS COUNTY, OKLAHOMA 73536-0102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07638717
Correspondence name and address
THOMAS R. WEAVER
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 2
Reel/Frame:005657/0943   Pages: 5
Recorded: 04/08/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/12/1991
2
Exec Dt:
03/26/1991
3
Exec Dt:
04/01/1991
4
Exec Dt:
04/01/1991
Assignee
1
STEPHENS COUNTY
DUNCAN, OKLAHOMA 73536-0102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07638718
Correspondence name and address
THOMAS R. WEAVER
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 3
Reel/Frame:005659/0778   Pages: 5
Recorded: 04/08/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/12/1991
2
Exec Dt:
03/12/1991
3
Exec Dt:
04/01/1991
4
Exec Dt:
04/01/1991
5
Exec Dt:
04/01/1991
Assignee
1
DUNCAN, OKLAHOMA 73536-0102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07638859
Correspondence name and address
THOMAS R. WEAVER
HALLIBURTON SERVICES
P.O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 4
Reel/Frame:012057/0361   Pages: 4
Recorded: 07/31/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/16/2001
2
Exec Dt:
07/16/2001
3
Exec Dt:
07/16/2001
Assignee
1
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09918997
Correspondence name and address
HALLIBURTON ENGERGY SERVICES, INC.
CRAIG W. RODDY
2600 SOUTH SECOND STREET
DUNCAN, OK 73536

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