Granted Patent
Utility
US 5,268,823 · App. 07/984,035
Light transmission apparatus for electro-optically coupling to a display panel for an electronic instrument
Inventor:
Robin P. Yergenson
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Dec 1, 1992
Inventor
Robin P. Yergenson
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.