Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1982-06-10
1984-10-23
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
Patent
active
D02760517
REFERENCES:
patent: D251912 (1979-05-01), Nakade
patent: D264345 (1982-05-01), Masaki
patent: D264726 (1982-06-01), Hara
patent: D266169 (1982-09-01), Yasutani
patent: D266253 (1982-09-01), Horikoshi
patent: D266254 (1982-09-01), Horikoshi
patent: D267548 (1983-02-01), Kojima
patent: D270164 (1983-08-01), Sawada
Toshiba Brochure #H12-005-E 1980, Copier BD-7501 on front cover.
The Office, 5/83, p. 143, Copiers at top.
Hayashi Shigeaki
Kosako Mikio
Holtje Nelson C.
Sharp Corporation
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