IP Library Granted Patent US 4,835,820
Granted Patent Utility
US 4,835,820 · App. 07/151,271

Bag closure device

Inventor: Edward S. Robbins, III
Patented Case View Patent ↗
Granted: Jun 6, 1989 Filed: Feb 1, 1988
Inventor
Edward S. Robbins, III

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Quick Facts
Patent No.
US 4,835,820
App. No.
07/151,271
Filed
1988-02-01
Granted
1989-06-06
Kind
A