Granted Patent
Utility
US 5,049,708 · App. 07/529,060
Normally closed pressure responsive switch
Inventor:
Gary A. Baker
Patented Case
View Patent ↗
Granted: Sep 17, 1991
Filed: May 25, 1990
Inventor
Gary A. Baker
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.