Granted Patent
Utility
US 6,587,134 · App. 09/851,919
Cassette for thermal transfer ribbon for setting images on printing plates
Inventor:
Thomas Hartmann
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: May 9, 2001
Inventor
Thomas Hartmann
Assignee (at issue)
MAN Roland Druckmaschinen AG
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.