Granted Patent
Utility
US 4,426,884 · App. 06/351,961
Flexible force sensor
Inventor:
Michael Polchaninoff
Patented Case
View Patent ↗
Granted: Jan 24, 1984
Filed: Feb 24, 1982
Inventor
Michael Polchaninoff
Assignee (at issue)
Langer Biomechanics Group, 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.