Granted Patent
Utility
US 6,461,282 · App. 09/501,392
Dumbbell system
Inventor:
Paul J. Fenelon
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Feb 9, 2000
Inventor
Paul J. Fenelon
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.