Granted Patent
Utility
US 4,629,006 · App. 06/772,732
Lawn edger attachment for tractors
Inventors:
David L. Mullet, Elmer D. Voth
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Sep 5, 1985
Inventors
David L. Mullet
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.