Numeral display having plural electrode control of character fragments
United States Patent 3147469
US Patent References:
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- - 1906960

Electric sign
- - 2290261

Information display devices
- - 2871462

Selective group energizing system
- - 2918608

Multi-element counter tube
- - 2957098


Inventors:
Buchsbaum, Walter H.
Publication Date:
09/01/1964
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Assignee:
HAZELTINE RESEARCH INC
Primary Class:
345/47
Other Classes:
315/316
International Classes:
G09G3/06; G09G3/04