Granted Patent
Utility
US 4,990,099 · App. 07/408,240
Keyed electrical connector with main and auxiliary electrical contacts
Inventors:
Jorge G. Marin, Craig H Baker, Lester E. Wilson
Patented Case
View Patent ↗
Granted: Feb 5, 1991
Filed: Sep 18, 1989
Inventors
Jorge G. Marin
Craig H Baker
Lester E. Wilson
Assignee (at issue)
High Voltage Engineering 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.