Patent Assignment
Reel/Frame 004440/0918
Assignment of Assignors Interest.
Recorded: 1985-06-27
Pages: 2
Covered Property
(1)
Subsurface Device Actuator Requiring Minimum Power
Patent:
4,736,791 →
Application:
06/730,397 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 8, 1993
From: BAKER HUGHES INTEQ, INC.
To: BAKER HUGHES INCORPORATED
Reel/Frame 006481/0781 →
Change of Name Effective on 03/15/1993
Apr 8, 1993
From: BAKER HUGHES PRODUCTION TOOLS, INC.
To: BAKER HUGHES, INTEQ, INC.
Reel/Frame 006481/0798 →
Change of Name Effective on 01/28/1993
Apr 8, 1993
From: BAKER HUGHES MINING TOOLS, INC.
To: BAKER HUGHES DRILLING TECHNOLOGIES, INC.
Reel/Frame 006481/0800 →
Merger Effective on 03/15/1993CA
Apr 8, 1993
From: BAKER HUGHES DRILLING TECHNOLOGIES, INC.
To: BAKER HUGHES PRODUCTION TOOLS, INC.
Reel/Frame 006481/0804 →
Merger Effective on 07/01/1992DE
Apr 8, 1993
From: DEVELCO, INC.
To: EASTMAN TELECO COMPANY
Reel/Frame 006481/0807 →
Merger Effective on 12/22/1992TX
Apr 8, 1993
From: EASTMAN TELECO COMPANY; BAKER HUGHES DRILLING TECHNOLOGIES, INC.
To: BAKER HUGHES MINING TOOLS, INC.
Reel/Frame 006496/0283 →