Lighting – Light source – Electric light bulb
Patent
1981-12-23
1983-12-27
Lucas, Susan J.
Lighting
Light source
Electric light bulb
D26 26, D2604
Patent
active
D02719967
REFERENCES:
patent: 372313 (1887-11-01), Haines
patent: 4173730 (1979-11-01), Young et al.
patent: 4187446 (1980-02-01), Gross et al.
Toshiba Review, Sep.-Oct. 1980, p. 6, FIG. 3 compact fluorescent lamp.
Official Gazette issued on 3/18/81, Swedish Design Application No. 80-1424.
Official Gazette issued on Swedish Design Application No. 79-1570, 79-1571 ad 79-1573.
Official Gazette issued on 5/15/73, U.S. Pat. No. Des. 226,925.
Kojima Yoshio
Nanba Masumi
Umehara Nobuhiro
Lucas Susan J.
Tokyo Shibaura Denki Kabushiki Kaisha
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