Granted Patent
Utility
US 5,622,527 · App. 08/217,292
Independent action stepper
Inventors:
Scott R. Watterson, Brad Ellis, William T. Dalebout
Patented Case
View Patent ↗
Granted: Apr 22, 1997
Filed: Mar 23, 1994
Inventors
Scott R. Watterson
Brad Ellis
William T. Dalebout
Assignees (at issue)
Proform Fitness Products, Inc.
ICON Health & Fitness, 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.