IP Library › Granted Patent US 4,649,462
Granted Patent Utility
US 4,649,462 · App. 06/786,696

Viewing angle color sensitive lighting accessory

Inventors: Jerzy A. Dobrowolski, Lorne A. Whitehead
Patented Case View Patent ↗
Granted: Mar 10, 1987 Filed: Oct 11, 1985
Inventors
Jerzy A. Dobrowolski
Lorne A. Whitehead
Assignee (at issue)
Canadian Patents and Development Limited

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Quick Facts
Patent No.
US 4,649,462
App. No.
06/786,696
Filed
1985-10-11
Granted
1987-03-10
Kind
A