Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1981-05-18
1983-08-16
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1603
Patent
active
D02701642
REFERENCES:
patent: D264345 (1982-05-01), Masaki
patent: D266169 (1982-09-01), Yasutani
patent: D266253 (1982-09-01), Horikoshi
patent: D266254 (1982-09-01), Hirikoshi
patent: 4268164 (1981-05-01), Yajima
patent: 4306802 (1981-12-01), Kucera
patent: 4334761 (1982-06-01), Saito
patent: 4345834 (1982-08-01), Kimura
Holtje Nelson C.
Sharp Corporation
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