Patent Assignment
Reel/Frame 003889/0859
Assignment of Assignors Interest.
Recorded: 1981-05-15
Pages: 3
Assignor
VANZANT HERSHEL
Executed: 1981-05-07
Assignee
T.D. WILLIAMSON, INC.
A CORP OF OK, TULSA, OKLAHOMA
Covered Property
(1)
Cam-Flange
Patent:
4,387,740 →
Application:
06/263,999 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.