Granted Patent
Utility
US 4,447,681 · App. 06/468,732
Switch key assembly having improved switch actuation
Inventor:
Mark R. Desmarais
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Feb 22, 1983
Inventor
Mark R. Desmarais
Assignee (at issue)
AMP LLC
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.