Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1983-11-17
1986-03-11
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
Patent
active
D02829339
REFERENCES:
patent: D245612 (1977-08-01), Zeuthen
patent: D246526 (1977-11-01), Kurozumi
patent: D264345 (1982-05-01), Masaki
patent: D264727 (1982-06-01), Matsuzaka
patent: D265656 (1982-08-01), Matsushima
patent: D270164 (1983-08-01), Sawada
patent: D270452 (1983-09-01), Sakuai
patent: D278152 (1985-03-01), Hara
Ricoh FT4700 (Flier)-1/81/Copier at top-right of rear side.
Hara Kunio
Hiroki Shin-ichi
Horie Hideyuki
Okuyama Tooru
Sutoh Shigeru
Holtje Nelson C.
Tokyo Shibaura Denki Kabushiki Kaisha
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