Granted Patent
Utility
US 4,470,714 · App. 06/356,657
Metal-semiconductor resistive ribbon for thermal transfer printing and method for using
Inventors:
Ari Aviram, Kwang K. Shih
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Mar 10, 1982
Inventors
Ari Aviram
Kwang K. Shih
Assignee (at issue)
International Business Machines 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.