Granted Patent
Utility
US 5,809,765 · App. 08/818,882
Counterrotation mulching mower and blade assembly
Inventors:
Dawson W. Hastings, Charlie C. Johnson
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Mar 17, 1997
Inventors
Dawson W. Hastings
Charlie C. Johnson
Assignee (at issue)
Allied Products 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.