Granted Patent
Utility
US 4,144,890 · App. 05/751,386
Contact device for muscle stimulation
Inventor:
Stanley R. Hess
Patented Case
View Patent ↗
Granted: Mar 20, 1979
Filed: Dec 19, 1976
Inventor
Stanley R. Hess
Assignee (at issue)
CORDIS CORPORATION
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.