Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1983-05-09
1985-08-13
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
Patent
active
D02801043
REFERENCES:
patent: D257984 (1981-01-01), Kurozumi
patent: D270164 (1983-08-01), Sawada
patent: D270540 (1983-09-01), Sakurai
patent: D275960 (1984-10-01), Matsuzaka
patent: D276051 (1984-10-01), Kosako
patent: D276347 (1984-11-01), Matsuzaka
Catalogue of Sharp Copying Machine, SF-750 printed 5/81.
Catalogue of Sanyo Copying Machine SFT-850 as of 4/25/82.
Horie Hideyuki
Sutoh Shigeru
Holtje Nelson C.
Tokyo Shibaura Denki Kabushiki Kaisha
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