Electronic flash unit

Details Electronic flash unit Electronic flash unit

1978-10-13

1981-02-17

Kemper, Catherine E.

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D1605

Patent

active

D02582899

REFERENCES:
patent: D213581 (1969-03-01), Osborne, Jr.
patent: D241538 (1976-09-01), Swayze
patent: D241671 (1976-09-01), D'Ercoli et al.
patent: D247230 (1978-02-01), Campbell
patent: 3127111 (1964-03-01), Baring
patent: 3701016 (1972-10-01), Bennett et al.
patent: 3808081 (1974-04-01), Okuhara et al.
patent: 3997775 (1976-12-01), Stoneham
patent: 4072973 (1978-02-01), Mayo
patent: 4135796 (1979-01-01), Abbeloos

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