Granted Patent
Utility
US 5,973,422 · App. 09/121,880
Low frequency vibrator
Inventor:
Marvin L. Clamme
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Jul 24, 1998
Inventor
Marvin L. Clamme
Assignee (at issue)
The Guitammer Company
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.