Granted Patent
Utility
US 4,394,685 · App. 06/184,079
Interface for operating a dot matrix printer for printing a video image
Inventors:
David Yeomans, Christopher J. Wilkinson, Damien McCartney, Micheal O'Dwyer
Patented Case
View Patent ↗
Granted: Jul 19, 1983
Filed: Sep 4, 1980
Inventors
David Yeomans
Christopher J. Wilkinson
Damien McCartney
Micheal O'Dwyer
Assignee (at issue)
Centronics Data Computer 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.