Granted Patent
Utility
US 4,899,599 · App. 07/129,472
Strain force sensor means
Inventor:
Gerald R. Eddens
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: Dec 7, 1987
Inventor
Gerald R. Eddens
Assignee (at issue)
Magnetic Power Systems, 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.