Granted Patent
Utility
US 5,438,122 · App. 08/294,358
Triazene dyes for use in thermal transfer printing
Inventor:
Luc Vanmaele
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: Aug 23, 1994
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.