Granted Patent
Utility
US 6,835,012 · App. 10/234,284
Ribbon cassette
Inventor:
Joel Neri
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Sep 4, 2002
Inventor
Joel Neri
Assignee (at issue)
INTERNATIONAL IMAGING MATERIALS, 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.