Granted Patent
Utility
US 4,335,931 · App. 06/173,603
Power cable connector with retention spring
Inventor:
Joseph D. Kinnear
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Jul 30, 1980
Inventor
Joseph D. Kinnear
Assignee (at issue)
Brad Harrison Company
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.