Granted Patent
Utility
US 6,446,534 · App. 09/561,446
Depth gauge for cutter
Inventor:
Michael D. Harfst
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Apr 28, 2000
Inventor
Michael D. Harfst
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.