Granted Patent
Utility
US 5,116,806 · App. 07/654,684
Dyes for use in thermal dye transfer
Inventor:
Luc Vanmaele
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Feb 13, 1991
Inventor
Luc Vanmaele
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.