Patent Assignment
Reel/Frame 003873/0627
Assignment of Assignors Interest.
Recorded: 1981-03-12
Pages: 2
Assignee
Covered Property
(1)
Method of Making Fibrous Electrets
Patent:
4,375,718 →
Application:
06/243,218 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.