Granted Patent
Utility
US 4,947,161 · App. 07/302,784
Light bar
Inventor:
Dean L. Dahnert
Patented Case
View Patent ↗
Granted: Aug 7, 1990
Filed: Jan 30, 1989
Inventor
Dean L. Dahnert
Assignee (at issue)
White Consolidated Industries, 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.