IP Library › Granted Patent US 4,891,298
Granted Patent Utility
US 4,891,298 · App. 07/252,663

Photographic products and processes

Inventor: David P. Waller
Patented Case View Patent ↗
Granted: Jan 2, 1990 Filed: Oct 3, 1988
Inventor
David P. Waller
Assignee (at issue)
Polaroid Corporation

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Quick Facts
Patent No.
US 4,891,298
App. No.
07/252,663
Filed
1988-10-03
Granted
1990-01-02
Kind
A