Granted Patent
Utility
US 5,315,312 · App. 08/108,846
Electrophoretic display panel with tapered grid insulators and associated methods
Inventors:
Frank J. DiSanto, Denis A. Krusos
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Aug 18, 1993
Inventors
Frank J. DiSanto
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.