IP Library Granted Patent US 4,309,255
Granted Patent Utility
US 4,309,255 · App. 06/185,813

Electrochromic recording paper

Inventors: Paul Gendler, Barbara D. Grant, Clinton David Snyder
Patented Case View Patent ↗
Granted: Jan 5, 1982 Filed: Sep 10, 1980
Inventors
Paul Gendler
Barbara D. Grant
Clinton David Snyder
Assignee (at issue)
International Business Machines Corporation

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Quick Facts
Patent No.
US 4,309,255
App. No.
06/185,813
Filed
1980-09-10
Granted
1982-01-05
Kind
A