Granted Patent
Utility
US 4,763,519 · App. 06/890,595
Pressure actuator switch
Inventor:
Laurier J. (Larry) Comeau
Patented Case
View Patent ↗
Granted: Aug 16, 1988
Filed: Jul 25, 1986
Inventor
Laurier J. (Larry) Comeau
Assignee (at issue)
NL Sperry-Sun of Canada, Ltd.
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.