IP Library › Granted Patent US 5,294,375
Granted Patent Utility
US 5,294,375 · App. 07/747,643

Thermochromic materials

Inventors: Marcis M. Kampe, David P. Waller, David C. Whritenour
Patented Case View Patent ↗
Granted: Mar 15, 1994 Filed: Aug 20, 1991
Inventors
Marcis M. Kampe
David P. Waller
David C. Whritenour
Assignee (at issue)
Polaroid Corporation

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Quick Facts
Patent No.
US 5,294,375
App. No.
07/747,643
Filed
1991-08-20
Granted
1994-03-15
Kind
A