IP Library › Assignment 004078/0899
Patent Assignment
Reel/Frame 004078/0899

Assignment of Assignors Interest.

Recorded: 1982-12-20 Pages: 2
Assignor
PRINGLE, RONALD E.
Executed: 1982-12-09
Assignee
CAMCO, INCORPORATED
A CORP. OF TX., HOUSTON, TEXAS
Covered Property (1)
Method and Apparatus of Sealing Threaded Sections of a Well Tool
Patent: 4,538,838 →
Application: 06/450,943 →
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 →