IP Library › Granted Patent US 4,456,570
Granted Patent Utility
US 4,456,570 · App. 06/401,939

Treatment of perforated film

Inventors: Paul E. Thomas, Garland E. Raley
Patented Case View Patent ↗
Granted: Jun 26, 1984 Filed: Jul 26, 1982
Inventors
Paul E. Thomas
Garland E. Raley
Assignee (at issue)
Ethyl Corporation

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Quick Facts
Patent No.
US 4,456,570
App. No.
06/401,939
Filed
1982-07-26
Granted
1984-06-26
Kind
A