Granted Patent
Utility
US 6,643,933 · App. 09/839,967
Guide bar for chain saw including stump treatment
Inventor:
Christopher D. Seigneur
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Apr 19, 2001
Inventor
Christopher D. Seigneur
Assignee (at issue)
Blount, 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.