Granted Patent
Utility
US 4,411,706 · App. 06/277,277
Method and apparatus for eliminating dust from ink jet printers
Inventors:
Harry L. Wallace, John D. Thomas
Patented Case
View Patent ↗
Granted: Oct 25, 1983
Filed: Jun 25, 1981
Inventors
Harry L. Wallace
John D. Thomas
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.