Granted Patent
Utility
US 6,564,478 · App. 09/642,718
Compactible snowhoes
Inventors:
Harold R. Wing, N. Ryan Moss, David Francis
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Aug 21, 2000
Inventors
Harold R. Wing
N. Ryan Moss
David Francis
Assignee (at issue)
WING ENTERPRISES, INCORPORATED
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.