Granted Patent
Utility
US 4,344,079 · App. 06/145,780
System for matrix printing
Inventors:
John M. Chambors, Harry L. Wallace
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: May 2, 1980
Inventors
John M. Chambors
Harry L. Wallace
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.