Granted Patent
Utility
US 4,746,917 · App. 06/885,538
Method and apparatus for operating an electrophoretic display between a display and a non-display mode
Inventors:
Frank J. Di Santo, Denis A. Krusos
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Jul 14, 1986
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.