Electroluminescent display panels
United States Patent 3182415

Inventors:
William, Brooks
Publication Date:
05/11/1965
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Assignee:
LOCKHEED AIRCRAFT CORP
Primary Class:
Other Classes:
315/185S, 257/92
International Classes:
H05B33/26
US Patent References:
3083317Emergency sign and auxiliary power system
Foreign References:
GB826991A