Granted Patent
Utility
US 4,290,168 · App. 06/084,587
Hinge construction with positive locking means
Inventor:
Derek S. Binge
Patented Case
View Patent ↗
Granted: Sep 22, 1981
Filed: Oct 15, 1979
Inventor
Derek S. Binge
Assignee (at issue)
RCA 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.