Granted Patent
Utility
US 5,691,696 · App. 08/525,833
System and method for broadcasting colored light for emergency signals
Inventors:
Timothy J. Mazies, Jerry L. Williams, William J. Cassarly
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Sep 8, 1995
Inventors
Timothy J. Mazies
Jerry L. Williams
William J. Cassarly
Assignees (at issue)
Federal Signal Corporation
General Electric 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.