Patent Assignment
Reel/Frame 003851/0187
Assignment of Assignors Interest.
Recorded: 1980-12-29
Pages: 1
Assignor
PETERS CLIFFORD M.
Executed: 1980-12-15
Assignee
W-K-M WELLHEAD SYSTEMS, INC., A CORP. OF LA
1500 N. MARKET STREET, SUITE A-100, SHREVEPORT, LOUISIANA, 71107
Covered Property
(1)
Safety Valve
Patent:
4,347,867 →
Application:
06/221,129 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.