Granted Patent
Utility
US 6,026,871 · App. 09/281,200
Stump cutter safety system
Inventor:
Bruce Chapman
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Mar 30, 1999
Inventor
Bruce Chapman
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.