Granted Patent
Utility
US 4,300,190 · App. 06/102,885
Lighting fixture mount
Inventor:
James M. Mershon
Patented Case
View Patent ↗
Granted: Nov 10, 1981
Filed: Dec 12, 1979
Inventor
James M. Mershon
Assignee (at issue)
National Service 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.