Granted Patent
Utility
US 6,080,993 · App. 08/226,684
Detection of type of dye donor element in a thermal printing system
Inventor:
Jan Zwijsen
Patented Case
View Patent ↗
Granted: Jun 27, 2000
Filed: Apr 12, 1994
Inventor
Jan Zwijsen
Assignee (at issue)
Agfa-Gevaert NV
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.