IP Library › Granted Patent US 5,539,623
Granted Patent Utility
US 5,539,623 · App. 08/320,965

Lighting device used in an exit sign

Inventors: Alan J. Gurz, James J. Burns, Hilaro S. Costa
Patented Case View Patent ↗
Granted: Jul 23, 1996 Filed: Oct 12, 1994
Inventors
Alan J. Gurz
James J. Burns
Hilaro S. Costa
Assignee (at issue)
Federal Signal Corporation

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Quick Facts
Patent No.
US 5,539,623
App. No.
08/320,965
Filed
1994-10-12
Granted
1996-07-23
Kind
A