Granted Patent
Utility
US 4,862,607 · App. 07/253,062
Remote controlled snowthrower discharge chute deflector
Inventor:
Robert W. Wacker
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Oct 3, 1988
Inventor
Robert W. Wacker
Assignee (at issue)
Outboard Marine Corporation
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.