Granted Patent
Utility
US 5,607,378 · App. 08/600,277
Method of exercising a selected muscle
Inventor:
Edith Winston
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Feb 12, 1996
Inventor
Edith Winston
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.