Patent Assignment
Reel/Frame 005833/0868
Assignment of Assignors Interest.
Recorded: 1991-09-13
Pages: 5
Covered Property
(1)
Fluid Additive and Method for Treatment of Subterranean Formations
Patent:
5,089,151 →
Application:
07/605,573 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.