Patent Assignment
Reel/Frame 005259/0540
Assignment of Assignors Interest.
Recorded: 1989-11-13
Pages: 2
Assignor
WHITTEN, RONALD G.
Executed: 1989-11-09
Assignee
TELECO OILFIELD SERVICES INC., A CORP. OF DE
MED-WAY PARK, 105 PONDVIEW DRIVE, MERIDEN, CONNECTICUT, 06450
Covered Property
(1)
Method for Determining the Free Point of a Stuck Drillstring
Patent:
4,966,234 →
Application:
07/436,496 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.