Granted Patent
Utility
US 5,352,174 · App. 07/736,393
Shoulder exercise system
Inventors:
Bradley R. Mason, Jeffrey T. Mason
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Jul 26, 1991
Inventors
Bradley R. Mason
Jeffrey T. Mason
Assignee (at issue)
Breg, 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.