Patent Assignment
Reel/Frame 004038/0389
Assignment of Assignors Interest.
Recorded: 1982-08-20
Pages: 3
Assignor
SULLIVAN, JAMES B.
Executed: 1982-08-12
Assignee
T.D. WILLIAMSON, INC., A CORP. OF OK
TULSA, OKLAHOMA
Covered Property
(1)
Underwater Tapping Machine
Patent:
4,579,484 →
Application:
06/410,089 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.