Granted Patent
Utility
US 4,430,848 · App. 06/305,975
Double action manual control for walk-behind mower
Inventor:
Wayne M. Wistrom
Patented Case
View Patent ↗
Granted: Feb 14, 1984
Filed: Sep 28, 1981
Inventor
Wayne M. Wistrom
Assignee (at issue)
McDonough Power Equipment, Division of Fuqua Industries, Inc.
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.