Ballast apparatus for starting and operating electric discharge lamps
United States Patent 3089980

Inventors:
Neusbaum, Frank A.
Publication Date:
05/14/1963
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Assignee:
GEN ELECTRIC
Primary Class:
315/97
Other Classes:
315/105, 315/278, 336/165, 315/282, 315/189, 315/DIG.002
International Classes:
H05B41/232; H05B41/20