Granted Patent
Utility
US 5,190,505 · App. 07/764,812
Stepper exerciser
Inventors:
William T. Dalebout, Scott R. Watterson
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: Sep 24, 1991
Inventors
William T. Dalebout
Scott R. Watterson
Assignee (at issue)
Proform Fitness Products, 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.