Granted Patent
Utility
US 5,387,170 · App. 07/955,675
Resistance training machine
Inventors:
R. Lee Rawls, Jeffrey Prince
Patented Case
View Patent ↗
Granted: Feb 7, 1995
Filed: Oct 2, 1992
Inventors
R. Lee Rawls
Jeffrey Prince
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.