Camera

Details Camera Camera

1978-11-24

1981-01-20

Kemper, Catherine E.

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D1601

Patent

active

D02579820

REFERENCES:
patent: D213806 (1969-04-01), Ikegami et al.
patent: D224350 (1972-07-01), Fukuda
patent: D238613 (1976-01-01), Waaske
patent: 3741097 (1973-06-01), Fukuda et al.
patent: 4171894 (1979-10-01), Yamada

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