Granted Patent
Utility
US 6,253,651 · App. 08/855,370
Rotary knife cutter
Inventor:
Robert H. Bessemer
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: May 13, 1997
Inventor
Robert H. Bessemer
Assignee (at issue)
CONAIR LLC
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.