Patent Assignment
Reel/Frame 004382/0414
Assignment of Assignors Interest.
Recorded: 1985-04-03
Pages: 1
Assignors
TURNER, S. RICHARD
Executed: 1982-07-28
WALKER, THAD O.
Executed: 1982-08-10
PEIFFER, DENNIS G.
Executed: 1982-07-28
LUNDBERG, ROBERT D.
Executed: 1982-07-28
Assignee
EXXON RESEARCH AND ENGINEERING COMPANY
FLORHAM PARK, NEW JERSEY, 07932
Covered Property
(1)
Drilling Fluids Based on Sulfonated Thermoplastic Polymers Having Improved Low Temperature Rheological Properties
Patent:
4,525,522 →
Application:
06/416,935 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.