Granted Patent
Utility
US 6,681,666 · App. 10/034,441
Method and apparatus for scrap removal from rotary dies
Inventor:
Alan R. Pfaff, Jr.
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Dec 27, 2001
Inventor
Alan R. Pfaff, Jr.
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.