Slide viewer

Details Slide viewer Slide viewer

1988-07-07

1991-03-19

Ansher, Bernard

Photography and optical equipment

Projector or viewer

Integrated unit

Patent

active

D03155293

REFERENCES:
patent: D174119 (1955-03-01), Fuller
patent: D186916 (1959-12-01), Close
patent: D239874 (1976-05-01), Avery
patent: D247497 (1978-03-01), Wolfe
patent: D251788 (1979-05-01), Alferow
patent: D254010 (1980-01-01), Elsner
patent: 2588803 (1952-03-01), Coffey, Sr.
35 MM Photography, 11/85 p. 4 (Zeiss Ikon Slide Viewer).

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