Granted Patent
Utility
US 4,084,259 · App. 05/514,203
Apparatus for dot matrix recording
Inventors:
Lysle D. Cahill, Arthur R. Brunswick
Patented Case
View Patent ↗
Granted: Apr 11, 1978
Filed: Oct 11, 1974
Inventors
Lysle D. Cahill
Arthur R. Brunswick
Assignee (at issue)
The Mead 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.