Granted Patent
Utility
US 4,791,539 · App. 06/533,325
Luminaire having quick-disconnect electrical components
Inventor:
Robert L. Ewing
Patented Case
View Patent ↗
Granted: Dec 13, 1988
Filed: Sep 16, 1983
Inventor
Robert L. Ewing
Assignee (at issue)
Manville 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.