Granted Patent
Utility
US 5,086,788 · App. 07/206,440
Hand-held physiological stimulation applicator
Inventors:
John C. Castel, Alexander Bally
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Jun 13, 1988
Inventors
John C. Castel
Alexander Bally
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.