Granted Patent
Utility
US 6,817,814 · App. 10/254,668
Inscribing system
Inventor:
Michael Mueller
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Sep 26, 2002
Inventor
Michael Mueller
Assignee (at issue)
THE HILLMAN GROUP, INC.
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.