Granted Patent
Utility
US 6,698,769 · App. 10/357,765
Multi-wheel heeling apparatus
Inventors:
Roger R. Adams, Michael G. Staffaroni
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Feb 3, 2003
Inventors
Roger R. Adams
Michael G. Staffaroni
Assignee (at issue)
Heeling Sports Limited
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.