Granted Patent
Utility
US 5,800,321 · App. 08/900,569
Exercise apparatus with adjustable lever arm
Inventor:
Randall T. Webber
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Jul 25, 1997
Inventor
Randall T. Webber
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.