Granted Patent
Utility
US 4,295,376 · App. 05/965,604
Force responsive transducer
Inventor:
Robert L. Bell
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Dec 1, 1978
Inventor
Robert L. Bell
Assignee (at issue)
Besco Industries, Inc.
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.