Granted Patent
Utility
US 6,158,133 · App. 09/220,309
Oval cutter
Inventors:
Christopher R. Carlson, Robert W. Cornell, Steve Suchanek
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Dec 23, 1998
Inventors
Christopher R. Carlson
Robert W. Cornell
Steve Suchanek
Assignee (at issue)
Fiskars 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.