Granted Patent
Utility
US 5,966,069 · App. 09/045,628
Exit sign self-testing system
Inventors:
Greg Zmurk, Steve Buckser
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Mar 19, 1998
Inventors
Greg Zmurk
Steve Buckser
Assignee (at issue)
Prescolite-Moldcast Lighting Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.