Granted Patent
Utility
US 4,247,907 · App. 05/963,826
Method and apparatus for typing characters and optically readable binary representations thereof on same page
Inventors:
Robert C. Durbeck, Kapali Eswaran
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Nov 27, 1978
Inventors
Robert C. Durbeck
Kapali Eswaran
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.