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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
08/27/1985
Application #:
06560941
Filing Dt:
12/14/1983
Inventor:
JOHN N. TROXELL JR.
Title:
SHEARING TYPE BLOWOUT PREVENTER
Assignment: 1
Reel/Frame:
004208/0490Recorded: 12/14/1983Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
12/05/1983
Assignee:
HOUSTON, TEXAS
Correspondent:
JACK R. SPRINGGATE
C/O VINSON & ELKINS
2900 FIRST CITY TOWER
HOUSTON, TX 77002
Assignment: 2
Reel/Frame:
005340/0725Recorded: 06/01/1990Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
05/29/1990
Assignee:
Correspondent:
JOE P. PARRIS
P.O. BOX 1212
HOUSTON, TX 77251-1212
Assignment: 3
Reel/Frame:
007462/0622Recorded: 05/05/1995Pages: 38
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/17/1995
Assignee:
SUITE 1200
515 POST OAK BOULEVARD
HOUSTON, TEXAS 77027
Correspondent:
COOPER INDUSTRIES, INC.
RHONDA J. SMITH
1001 FANNIN, SUITE 4000
HOUSTON, TEXAS 77002

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