IP Library Assignment 003958/0633
Patent Assignment
Reel/Frame 003958/0633

Assignment of Assignors Interest.

Recorded: 1981-11-17 Pages: 2
Assignors
PRINGLE, RONALD E.
Executed: 1981-11-13
EATWELL, WILLIAM D.
Executed: 1981-11-13
Assignee
Covered Property (1)
Metal-To-Metal High/Low Pressure Seal
Patent: 4,452,310 →
Application: 06/322,318 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Jul 9, 1990
From: CAMCO, INCORPORATED, A CORP. OF TX.
To: CAMCO INTERNATIONAL INC., A CORP. OF DE
Reel/Frame 005366/0664 →