Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1985-01-02
1987-04-07
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D16 1, D16 5
Patent
active
D02891760
REFERENCES:
patent: D213806 (1969-04-01), Ikegami
patent: D221025 (1971-06-01), Fukuda
patent: D263056 (1982-02-01), Hattori
patent: D271880 (1983-12-01), Agou
patent: D271881 (1983-12-01), Kato
patent: 3680455 (1972-08-01), Meinunger
Popular Photography-6/83 p. 73-Cameras at lower-left and center.
Tamamura Hideo
Yoshida Michio
Canon Kabushiki Kaisha
Holtje Nelson C.
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