Granted Patent
Utility
US 6,591,593 · App. 09/694,646
Electric riding lawn mower powered by an internal combustion engine and generator system
Inventors:
Dennis Brandon, Allan Flack
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Oct 23, 2000
Inventors
Dennis Brandon
Allan Flack
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.