Granted Patent
Utility
US 4,249,189 · App. 06/071,918
Ink jet printer having improved deflection electrode
Inventor:
Clifford S. Fernalld, Jr.
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Sep 4, 1979
Inventor
Clifford S. Fernalld, Jr.
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.