Granted Patent
Utility
US 4,986,378 · App. 07/319,355
Machine configuration and method for steering a vehicle away from a wall
Inventor:
Joseph G. Kasper
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Mar 6, 1989
Inventor
Joseph G. Kasper
Assignee (at issue)
TENNANT COMPANY
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.