Granted Patent
Utility
US 6,245,416 · App. 09/082,249
Water soluble silicone resin backcoat for thermal transfer ribbons
Inventor:
Joseph D. Roth
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: May 20, 1998
Inventor
Joseph D. Roth
Assignee (at issue)
NCR Corporation
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.