Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1981-11-16
1984-04-17
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
Patent
active
D02734982
REFERENCES:
patent: D213852 (1969-04-01), Olson
patent: D223409 (1972-04-01), Fukuda
patent: D257850 (1981-01-01), Matsumoto
patent: D267954 (1983-02-01), Sawara
patent: 3169708 (1965-02-01), D'Incerti
patent: 4066885 (1978-01-01), Weinberg
patent: 4319818 (1982-03-01), Sawara
patent: 4350420 (1982-09-01), Engelsmann
Kodak Retina III-C Brochure-2/25/60-front-Camera.
Photography-5/82, p. 54, Camera at top-right.
Hanimex Pty. Limited
Holtje Nelson C.
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