IP Library › Granted Patent US 4,828,891
Granted Patent Utility
US 4,828,891 · App. 07/009,980

Four-layer puncture resistant film

Inventors: Stanley Lustig, Jeffrey M. Schuetz, Stephen J. Vicik
Patented Case View Patent ↗
Granted: May 9, 1989 Filed: Feb 2, 1987
Inventors
Stanley Lustig
Jeffrey M. Schuetz
Stephen J. Vicik
Assignee (at issue)
Viskase Companies, Inc.

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Quick Facts
Patent No.
US 4,828,891
App. No.
07/009,980
Filed
1987-02-02
Granted
1989-05-09
Kind
A