IP Library › Granted Patent US 4,249,170
Granted Patent Utility
US 4,249,170 · App. 06/082,831

Annunciator

Inventors: Edward J. Cham, Ronald M. Stefanick
Patented Case View Patent ↗
Granted: Feb 3, 1981 Filed: Oct 9, 1979
Inventors
Edward J. Cham
Ronald M. Stefanick
Assignee (at issue)
Westinghouse Electric Company LLC

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Quick Facts
Patent No.
US 4,249,170
App. No.
06/082,831
Filed
1979-10-09
Granted
1981-02-03
Kind
A