Patent Assignment
Reel/Frame 004232/0697
Assignment of Assignors Interest.
Recorded: 1984-02-17
Pages: 2
Assignee
WESTERN COMPANY OF NORTH AMERICA, THE, A DE CORP.
P.O. BOX 181, FORT WORTH, TEXAS, 76101
Covered Property
(1)
Proppant Concentrator
Patent:
4,588,509 →
Application:
06/581,342 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.