Granted Patent
Utility
US 5,735,442 · App. 08/537,748
Device, clamping tool and process for breaking away cuttings when cutting out blanks from cardboard
Inventor:
Dirk Emrich
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Nov 14, 1995
Inventor
Dirk Emrich
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.