Granted Patent
Utility
US 6,736,035 · App. 09/889,304
Engraver
Inventor:
Dieter Carstens
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Sep 10, 2001
Inventor
Dieter Carstens
Assignee (at issue)
Hell Gravure Systems GmbH
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.