Patent Assignment
Reel/Frame 004044/0212
Assignment of Assignors Interest.
Recorded: 1982-09-07
Pages: 2
Covered Property
(1)
Method of Hydrofracture in Underground Formations
Patent:
4,442,895 →
Application:
06/415,538 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.