Granted Patent
Utility
US 5,889,247 · App. 08/842,858
Normally closed, pressure responsive electrical switch
Inventor:
Stanley G. Homol
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Apr 17, 1997
Inventor
Stanley G. Homol
Assignee (at issue)
Texas Instruments Incorporated
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.