Granted Patent
Utility
US 5,449,378 · App. 08/170,338
Method and apparatus for the electric stimulation of skin receptors
Inventor:
Jens Schouenborg
Patented Case
View Patent ↗
Granted: Sep 12, 1995
Filed: Dec 30, 1993
Inventor
Jens Schouenborg
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.