Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1983-10-26
1986-04-22
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
Patent
active
D02835126
REFERENCES:
patent: D264345 (1982-05-01), Masaki
patent: D266253 (1982-09-01), Horikoshi
patent: D266254 (1982-09-01), Horikoshi
patent: D270164 (1983-08-01), Sawada
patent: D278346 (1985-04-01), Saito
patent: 3813157 (1974-05-01), Fantozzi
patent: 4490035 (1984-12-01), Sugiura
Minolta Electrographic 301, (Flyer)-4/1/81-Copier on front.
Goto Tetsuya
Saito Yasuhiro
Umino Toshio
Holtje Nelson C.
Ricoh & Company, Ltd.
Shoup Guy W.
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