Granted Patent
Utility
US 4,763,137 · App. 06/914,032
Two pass thermal printing
Inventors:
Brian Wesley Damon, Cary Patterson Ravitz, Carl J. Voss
Patented Case
View Patent ↗
Granted: Aug 9, 1988
Filed: Oct 1, 1986
Inventors
Brian Wesley Damon
Cary Patterson Ravitz
Carl J. Voss
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.