Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1985-03-05
1987-05-05
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D16 1, D16 6
Patent
active
D02896591
REFERENCES:
patent: D140367 (1945-02-01), Pollock
patent: D169343 (1953-04-01), Simmon
patent: D190976 (1961-07-01), Taubes
patent: D191017 (1961-08-01), Elliott
patent: D223176 (1972-03-01), Swayze
35mm Photography-10/85-p. 9-Cameras at bottom-right.
Canon Kabushiki Kaisha
Holtje Nelson C.
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