Granted Patent
Utility
US 6,021,825 · App. 08/924,162
Stump cutter apparatus for quick connection to an excavator or other prime mover
Inventor:
John M. Bowling
Patented Case
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Granted: Feb 8, 2000
Filed: Sep 5, 1997
Inventor
John M. Bowling
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.