Granted Patent
Utility
US 6,311,601 · App. 09/314,993
Method of manufacturing dies used in cutting and creasing paperboard
Inventor:
Marc C. Love
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: May 20, 1999
Inventor
Marc C. Love
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.