Granted Patent
Utility
US 6,520,722 · App. 09/987,805
Asymmetrical cutting tool tooth form
Inventors:
Peter B. Hopper, David E. Gamache
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Nov 9, 2001
Inventors
Peter B. Hopper
David E. Gamache
Assignee (at issue)
Simonds Industries, 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.