Granted Patent
Utility
US 5,893,224 · App. 08/922,535
Cutting arrangement for a snow blower
Inventors:
Charles W. Harrington, Richard A. Heismann
Patented Case
View Patent ↗
Granted: Apr 13, 1999
Filed: Sep 3, 1997
Inventors
Charles W. Harrington
Richard A. Heismann
Assignee (at issue)
Murray 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.