Granted Patent
Utility
US 5,655,830 · App. 08/424,146
Lighting device
Inventor:
Charles R. Ruskouski
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Apr 17, 1995
Inventor
Charles R. Ruskouski
Assignee (at issue)
Federal Signal Corporation
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.