Granted Patent
Utility
US 4,473,356 · App. 06/527,011
Electromechanical braille cell and method of operating same
Inventors:
Llavanya Fernando, Noel H. Runyan
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Aug 29, 1983
Inventors
Llavanya Fernando
Noel H. Runyan
Assignee (at issue)
Telesensory Systems, 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.