Patent Assignment
Reel/Frame 003976/0301
Assignment of Assignors Interest.
Recorded: 1982-02-08
Pages: 2
Assignor
TERRAL, BEN D.
Executed: 1982-02-04
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION, A CORP. OF TX
277 PARK AVENUE, NEW YORK, NEW YORK, 10172
Covered Property
(1)
Gas Lift Valve and Method of Presetting
Patent:
4,441,519 →
Application:
06/346,811 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.