Granted Patent
Utility
US 4,236,154 · App. 06/040,759
Selectable phase driver for dot matrix display panel
Inventor:
James Y. Lee
Patented Case
View Patent ↗
Granted: Nov 25, 1980
Filed: May 21, 1979
Inventor
James Y. Lee
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.