Granted Patent
Utility
US 4,523,693 · App. 06/652,521
Luminaire door hinge
Inventor:
Edward B. Bilson
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Sep 20, 1984
Inventor
Edward B. Bilson
Assignee (at issue)
ITT 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.