Granted Patent
Utility
US 6,788,000 · App. 09/852,676
Distributed emergency lighting system having self-testing and diagnostic capabilities
Inventors:
Gustaf T. Appelberg, Joseph W. Fleming
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: May 10, 2001
Inventors
Gustaf T. Appelberg
Joseph W. Fleming
Assignee (at issue)
E-Lite Technologies, Inc.
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.