Patent Assignment
Reel/Frame 005570/0483
Assignment of Assignors Interest.
Recorded: 1991-01-22
Pages: 2
Assignors
WILLIAMS, DENNIS A.
Executed: 1990-03-08
HORTON, ROGER L.
Executed: 1990-03-09
NEWLOVE, JOHN C.
Executed: 1990-03-09
CHUMLEY, ROBERT E.
Executed: 1990-03-12
Covered Property
(1)
Method of Treating Subterranean Formations Using a Non-Damaging Fracturing Fluid
Patent:
5,007,481 →
Application:
07/473,863 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.