Patent Assignment
Reel/Frame 003856/0646
Assignment of Assignors Interest.
Recorded: 1981-01-19
Pages: 2
Assignee
CAMCO, INCORPORATED
A CORP. TX., HOUSTON, TEXAS
Covered Property
(1)
Tubing Retrievable Variable Setting Differential Pressure Actuated Well Safety Valve
Patent:
4,362,214 →
Application:
06/226,295 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.