Granted Patent
Utility
US 4,422,781 · App. 06/353,649
Printing apparatus and method variable velocity on-the fly printing
Inventors:
Stephen C. Armfield, Christopher W. Brock
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: Mar 1, 1982
Inventors
Stephen C. Armfield
Christopher W. Brock
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.