Granted Patent
Utility
US 4,846,458 · App. 07/082,347
Upper body exercise apparatus
Inventor:
Lanny L. Potts
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Aug 6, 1987
Inventor
Lanny L. Potts
Assignee (at issue)
TRI-TECH CORPORATION
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.