Granted Patent
Utility
US 6,680,102 · App. 10/222,861
Engraved cylinder and method of use
Inventor:
Pierre Graff
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Aug 19, 2002
Inventor
Pierre Graff
Assignee (at issue)
Georgia-Pacific France
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.