IP Library › Granted Patent US 4,471,875
Granted Patent Utility
US 4,471,875 · App. 06/419,737

Bag having easy opening closure

Inventors: Paul O. Hain, J. George Lepisto
Patented Case View Patent ↗
Granted: Sep 18, 1984 Filed: Sep 20, 1982
Inventors
Paul O. Hain
J. George Lepisto
Assignee (at issue)
Champion International Corporation Limited

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Quick Facts
Patent No.
US 4,471,875
App. No.
06/419,737
Filed
1982-09-20
Granted
1984-09-18
Kind
A