Patent Assignment
Reel/Frame 004504/0389
Assignment of Assignors Interest.
Recorded: 1986-01-27
Pages: 1
Assignor
SCHNEIDER, DAVID E.
Executed: 1985-12-02
Assignee
WEATHERFORD U.S. , INC., A CORP. OF DE.
1360 POST OAK BLVD., HOUSTON, TEXAS, 77056
Covered Property
(1)
Cementing Plug
Patent:
4,706,747 →
Application:
06/801,521 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.