Granted Patent
Utility
US 5,565,002 · App. 08/215,121
Exercise apparatus
Inventors:
R. Lee Rawls, James A. Duncan
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Mar 18, 1994
Inventors
R. Lee Rawls
James A. Duncan
Assignee (at issue)
StairMaster Sports/Medical 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.