Granted Patent
Utility
US 4,457,086 · App. 06/186,274
Snowblower having improved auger and traction drive control
Inventor:
Roger J. Bacon
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: Sep 11, 1980
Inventor
Roger J. Bacon
Assignee (at issue)
Gilson Brothers
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.