Granted Patent
Utility
US 6,092,450 · App. 09/175,618
Rotary cutter for sheet material
Inventor:
Raymond Dueck
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Oct 20, 1998
Inventor
Raymond Dueck
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.