Granted Patent
Utility
US 4,384,797 · App. 06/292,552
Single laminated element for thermal printing and lift-off correction, control therefor, and process
Inventors:
Clifford W. Anderson, Hugh T. Findlay, Nancy C. Watkins
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Aug 13, 1981
Inventors
Clifford W. Anderson
Hugh T. Findlay
Nancy C. Watkins
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.