Patent Assignment
Reel/Frame 004274/0877
Assignment of Assignors Interest.
Recorded: 1984-04-30
Pages: 3
Assignors
PITTMAN, PAUL R.
Executed: 1984-04-16
SCOTT, FLOYD L. JR
Executed: 1984-04-17
HAMILTON, WILLIAM R.
Executed: 1984-04-16
Covered Property
(1)
Downhole Drilling Tool with Improved Swivel
Patent:
4,613,002 →
Application:
06/605,536 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.