Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1984-09-27
1986-11-25
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
Patent
active
D02868865
REFERENCES:
patent: D248957 (1978-08-01), Kitai
patent: D270164 (1983-08-01), Sawada
patent: D270540 (1983-09-01), Sakurai
patent: D276051 (1984-10-01), Kosako
patent: D276347 (1984-11-01), Matsuzaka
patent: D280104 (1985-08-01), Sutoh
patent: D280634 (1985-09-01), Imada
patent: D280907 (1985-10-01), Imada
patent: 3672762 (1972-06-01), Suzuki
patent: 4154524 (1979-05-01), Hattori
Xerox 1020 Marathon Copier-brochure-5/84-Copier on cover.
Office Products Dealer-5/83, p. 109-Copier at top-left.
Canon Kabushiki Kaisha
Holtje Nelson C.
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