Granted Patent
Utility
US 5,839,997 · App. 08/010,863
Weight-lifting apparatus and method
Inventors:
Mark R. Roth, Jon Schiff, Thomas M. Truran
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Jan 22, 1998
Inventors
Mark R. Roth
Jon Schiff
Thomas M. Truran
Assignee (at issue)
Premise Group 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.