Granted Patent
Utility
US 6,042,510 · App. 08/958,590
Jumping jack exercise device
Inventor:
Larry D. Miller
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Oct 29, 1997
Inventor
Larry D. Miller
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.