Patent Assignment
Reel/Frame 004200/0194
Assignment of Assignors Interest.
Recorded: 1983-11-21
Pages: 1
Assignor
HOWARD, ROLAND M. JR.
Executed: 1983-11-09
Covered Property
(1)
Ram Type Blowout Preventers
Patent:
4,523,639 →
Application:
06/553,529 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Feb 11, 1985
From: KOOMEY, INC. (AND); KOOMEY BLOWOUT PREVENTERS, INC.
To: FIRST CITY NATIONAL BANK OF HOUSTON
Reel/Frame 004366/0402 →
Assignment of Assignor's Interest
May 5, 1995
From: PB BOP, INC.
To: COOPER INDUSTRIES, INC.
Reel/Frame 007467/0471 →
Assignment of Assignor's Interest
May 5, 1995
From: COOPER INDUSTRIES, INC.
To: COOPER CAMERON CORPORATION
Reel/Frame 007467/0566 →
Assignment of Assignor's Interest
May 5, 1995
From: FIRST CITY NATIONAL BANK OF HOUSTON, N.A.
To: PB BOP, INC.
Reel/Frame 007467/0645 →