Granted Patent
Utility
US 4,777,786 · App. 07/042,076
Grass collection system for mower
Inventor:
William T. Arnold
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Apr 24, 1987
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.