Granted Patent
Utility
US 4,644,737 · App. 06/685,502
Mower
Inventor:
William T. Arnold
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Dec 24, 1984
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.