Granted Patent
Utility
US 4,449,033 · App. 06/452,989
Thermal print head temperature sensing and control
Inventors:
Richard G. McClure, James M. Rakes, Errol R. Williams
Patented Case
View Patent ↗
Granted: May 15, 1984
Filed: Dec 27, 1982
Inventors
Richard G. McClure
James M. Rakes
Errol R. Williams
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.