Granted Patent
Utility
US 6,027,055 · App. 09/014,541
Brush chipper
Inventor:
David Doskocil
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Jan 28, 1998
Inventor
David Doskocil
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.