Granted Patent
Utility
US 5,290,205 · App. 07/790,750
D.C. treadmill speed change motor controller system
Inventors:
Bruce D. Densmore, Lester A. Hass, John T. Rotunda, Gregory W. Fissel
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Nov 8, 1991
Inventors
Bruce D. Densmore
Lester A. Hass
John T. Rotunda
Gregory W. Fissel
Assignee (at issue)
QuinTron Instrument Company, Inc.
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.