Granted Patent
Utility
US 4,728,102 · App. 06/856,192
Resistance indicator for frictionally resistant exercise device
Inventor:
Edward A. Pauls
Patented Case
View Patent ↗
Granted: Mar 1, 1988
Filed: Apr 28, 1986
Inventor
Edward A. Pauls
Assignee (at issue)
P.S.I. Nordic Track, 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.