Granted Patent
Utility
US 4,742,345 · App. 06/799,458
Electrophoretic display panel apparatus and methods therefor
Inventors:
Frank J. Di Santo, Denis A. Krusos
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: Nov 19, 1985
Inventors
Frank J. Di Santo
Denis A. Krusos
Assignee (at issue)
Copytele, 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.