Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1985-12-03
1988-09-13
Ansher, Bernard
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
Patent
active
D02976447
REFERENCES:
patent: 4647176 (1987-03-01), Shimizu et al.
patent: 4678306 (1987-07-01), Kiuchi
patent: 4697898 (1987-10-01), Wakabayashi et al.
35 mm Photography, 12/83, p. 10, top left Flashgun on right.
Arakawa Kazuhiko
Sugiyama Yoshiaki
Ansher Bernard
Canon Kabushiki Kaisha
Shooman Theodore M.
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