Granted Patent
Utility
US 4,226,074 · App. 06/001,532
Lawnmower deck
Inventors:
David L. Mullet, Raymond J. Rilling, Elmer D. Voth
Patented Case
View Patent ↗
Granted: Oct 7, 1980
Filed: Jan 8, 1979
Inventors
David L. Mullet
Raymond J. Rilling
Elmer D. Voth
Assignee (at issue)
Excel Industries, Inc.
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.