Granted Patent
Utility
US 5,839,839 · App. 08/792,734
Ink-film refill for heat-transfer printer
Inventors:
Michel Brot, Alex Kuhn
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Jan 31, 1997
Inventors
Michel Brot
Alex Kuhn
Assignee (at issue)
Sagem SA
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.