Patent Assignment
Reel/Frame 003973/0171
Assignment of Assignors Interest.
Recorded: 1982-04-22
Pages: 1
Assignee
ETHYL CORPORATION, A CORP. OF VA.
RICHMOND, VIRGINIA
Covered Property
(1)
Corona Treatment of Perforated Film
Patent:
4,351,784 →
Application:
06/216,269 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.