Granted Patent
Utility
US 5,403,252 · App. 07/971,422
Exercise apparatus and method for simulating hill climbing
Inventors:
Tomas Leon, Robert Lyle Hood, Robert Quast, David J. Thum, Emil Golen
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Nov 3, 1992
Inventors
Tomas Leon
Robert Lyle Hood
Robert Quast
David J. Thum
Emil Golen
Assignee (at issue)
Life Fitness, LLC
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.