Granted Patent
Utility
US 4,370,846 · App. 06/274,905
Gang mower with single cylinder lifting mechanism
Inventor:
William T. Arnold
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Jun 18, 1981
Inventor
William T. Arnold
Assignee (at issue)
Brouwer Turf Equipment Limited
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.