IP Library › Assignment 003947/0719
Patent Assignment
Reel/Frame 003947/0719

Assignment of Assignors Interest.

Recorded: 1981-05-08 Pages: 2
Assignor
CHAUFFE, JOHN A.
Executed: 1981-04-28
Assignee
Covered Property (1)
Blowout Preventer Control and Recorder System
Patent: 4,337,653 →
Application: 06/258,510 →
Related Assignments (2)
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 →
Security Interest Feb 7, 1989
From: KOOMEY, INC.
To: FIRST CITY NATIONAL BANK OF HOUSTON
Reel/Frame 005018/0819 →