Patent Assignment
Reel/Frame 004061/0823
Assignment of Assignors Interest.
Recorded: 1982-10-25
Pages: 2
Assignee
GULF RESEARCH & DEVELOPMENT COMPANY
A CORP. OF DE, PITTSBURGH, PENNSYLVANIA
Covered Property
(1)
Regeneration of Filter Clay with Liquid Methanol
Patent:
4,469,805 →
Application:
06/436,602 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.