Granted Patent
Utility
US 4,538,400 · App. 06/619,715
Rotary mower having ground supported frames
Inventor:
Ronald W. Hottes
Patented Case
View Patent ↗
Granted: Sep 3, 1985
Filed: Jun 11, 1984
Inventor
Ronald W. Hottes
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.