Granted Patent
Utility
US 6,772,810 · App. 09/844,850
Canter chipper head and knife mounting
Inventors:
Jean-Guy Bouchard, Laurent Trudel, Joseph A. P. Robitaille
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Apr 30, 2001
Inventors
Jean-Guy Bouchard
Laurent Trudel
Joseph A. P. Robitaille
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.