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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
05/03/1983
Application #:
06238988
Filing Dt:
02/27/1981
Inventor:
GEORGE J. GREENE
Title:
BLAST JOINT AND PROTECTION ELEMENT THEREFOR
Assignment: 1
Reel/Frame:
003875/0323Recorded: 02/27/1981Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
02/20/1981
Assignee:
HOUSTON, TEXAS
Correspondent:
JACK R. SPRINGGATE
VINSON & ELKINS
FIRST CITY NATL. BANK BLDG.
HOUSTON, TX 77002
Assignment: 2
Reel/Frame:
004442/0268Recorded: 08/01/1985Pages: 84
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/11/1985
Assignee:
Correspondent:
VINSON AND ELKINS
FIRST CITY TOWER
1001 FANNIN
HOUSTON, TEXAS 77002-6760
Assignment: 3
Reel/Frame:
005296/0388Recorded: 05/10/1990Pages: 87
Conveyance:
RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/06/1990
Assignee:
1200 WEATHERFORD TOWER
1360 POST OAK BOULEVARD, A DE CORP.
HOUSTON, TEXAS 77056
Correspondent:
WEATHERFORD INTERNATIONAL INCORPORATED
1360 POST OAK BLVD., STE. 1000
P.O. BOX 27608
HOUSTON, TX 77227

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