Granted Patent
Utility
US 4,346,393 · App. 06/145,779
Matrix printer employing a special character font
Inventors:
Harry L. Wallace, John M. Chambors
Patented Case
View Patent ↗
Granted: Aug 24, 1982
Filed: May 2, 1980
Inventors
Harry L. Wallace
John M. Chambors
Assignee (at issue)
Burroughs, Inc.
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.