Granted Patent
Utility
US 4,368,942 · App. 05/876,326
Keyed connector to prevent intermating with a standard connector
Inventors:
Istvan Mathe, Alan H. Kasper
Patented Case
View Patent ↗
Granted: Jan 18, 1983
Filed: Feb 9, 1978
Inventors
Istvan Mathe
Alan H. Kasper
Assignee (at issue)
Bunker Ramo 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.