Lighting – Light source – Electric light bulb
Patent
1977-05-25
1980-08-12
Kemper, Catherine E.
Lighting
Light source
Electric light bulb
D1605
Patent
active
D02563975
REFERENCES:
patent: 1390258 (1921-09-01), Geneste
patent: 3951582 (1976-04-01), Holub et al.
patent: 3993896 (1976-11-01), Wacker
Schindler Donald R.
Soules Thomas F.
Fulmer Norman C.
General Electric Company
Kemper Catherine E.
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