Granted Patent
Utility
US 6,826,993 · App. 10/260,979
Rotary plunge slitter with clam style slotted anvil
Inventor:
Wayne A. Michalski
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Sep 30, 2002
Inventor
Wayne A. Michalski
Assignee (at issue)
Marquip, 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.