IP Library Granted Patent US 4,955,554
Granted Patent Utility
US 4,955,554 · App. 04/242,590

Film winder

Inventors: William E. LeBoeuf, H. V. Wait, Jr.
Patented Case View Patent ↗
Granted: Sep 11, 1990 Filed: Sep 12, 1988
Inventors
William E. LeBoeuf
H. V. Wait, Jr.
Assignee (at issue)
THE DOW CHEMICAL COMPANY

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Quick Facts
Patent No.
US 4,955,554
App. No.
04/242,590
Filed
1988-09-12
Granted
1990-09-11
Kind
A