Granted Patent
Utility
US 5,580,341 · App. 08/399,136
Shoulder press exercise machine and method of exercising
Inventor:
Roy Simonson
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Mar 6, 1995
Inventor
Roy Simonson
Assignee (at issue)
Lumex, 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.