Photographic slide tray

Details Photographic slide tray Photographic slide tray

1974-09-30

1977-04-12

Stearman, Joel

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D1605

Patent

active

D02440237

REFERENCES:
patent: 3704943 (1972-12-01), Rube
patent: D202141 (1965-08-01), Hall
patent: D217642 (1970-05-01), Blecher

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