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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
12/23/1986
Application #:
06278438
Filing Dt:
06/24/1981
Inventors:
MARTIN E. TRUE, CLARENCE W. SULLIVAN
Title:
POWER SPINNER FOR ROTATING A KELLY JOINT
Assignment: 1
Reel/Frame:
003898/0218Recorded: 06/24/1981Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
06/09/1981
Exec Dt:
06/12/1981
Assignee:
A CORP. OF TEX.
HOUSTON, TEXAS
Correspondent:
PATENT DEPT.
FULBRIGHT AND JAWORSKI
800 BANK OF THE SOUTHWEST BLDG.
HOUSTON, TX 77002
Assignment: 2
Reel/Frame:
006683/0516Recorded: 09/07/1993Pages: 37
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/31/1993
Assignee:
712 MAIN ST.
HOUSTON, TEXAS 77002
Correspondent:
MICHAEL WILSON
BAKER & BOTTS, L.L.P.
ONE SHELL PLAZA
910 LOUISIANA
HOUSTON, TX 77002
Assignment: 3
Reel/Frame:
006968/0274Recorded: 04/26/1994Pages: 6
Conveyance:
RELEASE
Assignor:
Exec Dt:
04/15/1994
Assignee:
1360 POST OAK BLVD., SUITE 1000
HOUSTON, TEXAS 77056
Correspondent:
FULBRIGHT & JAWORSKI L.L.P.
JOHN M. MINGS
1301 MCKINNEY
#5100
HOUSTON, TX 77010-3095

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