Granted Patent
Utility
US 5,211,613 · App. 07/903,241
Exercising machine with improved anti-drafting energy absorbing fanwheel
Inventor:
Robert C. Friesl
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: Jun 23, 1992
Inventor
Robert C. Friesl
Assignee (at issue)
Schwinn Bicycle 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.