Granted Patent
Utility
US 6,431,301 · App. 09/654,378
Snow vehicle conversion kit
Inventor:
Vernal D. Forbes
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Sep 1, 2000
Inventor
Vernal D. Forbes
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.