Granted Patent
Utility
US 4,795,147 · App. 07/161,409
Convertible exercise device
Inventor:
John Seal
Patented Case
View Patent ↗
Granted: Jan 3, 1989
Filed: Feb 23, 1988
Inventor
John Seal
Assignee (at issue)
Diversified Products, LLC
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.