Granted Patent
Utility
US 6,662,452 · App. 10/128,001
Power operated rotary knife
Inventor:
Jeffrey A. Whited
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Apr 22, 2002
Inventor
Jeffrey A. Whited
Assignee (at issue)
Bettcher 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.