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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
04/01/1986
Application #:
06569811
Filing Dt:
01/11/1984
Inventor:
GUNNAR H. BERG
Title:
ELEVATOR/SPIDER WITH IMPROVED LOCKING MECHANISM
Assignment: 1
Reel/Frame:
004498/0056Recorded: 01/13/1986Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
12/23/1983
Assignee:
P. O. BOX 2539
A CORP OF DELAWARE
HOUSTON, TEXAS 77001
Correspondent:
ROBERT A. FELSMAN
PATENTS & TECHNOLOGY MANAGEMENT
P. O. BOX 2539
HOUSTON, TX 77001
Assignment: 2
Reel/Frame:
005050/0861Recorded: 08/08/1988Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
06/09/1988
Assignee:
3900 ESSEX,
HOUSTON,, TEXAS 77027
Correspondent:
JAMES E. BRADLEY
PATENTS & TECHNOLOGY MGMNT.
HUGHES TOOL CO.
P. O. BOX 2539
HOUSTON, TX 77252-2539
Assignment: 3
Reel/Frame:
004944/0763Recorded: 08/18/1988Pages: 11
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
07/18/1988
Assignee:
5425 POLK AVE.
HOUSTON, TEXAS 77023
Correspondent:
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
P.O. BOX 4740
HOUSTON, TEXAS 77210-4740
HOUSTON, TX 77001

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