Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1978-03-08
1980-06-17
Kemper, Catherine E.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1605
Patent
active
D02554585
REFERENCES:
patent: D247439 (1978-03-01), Asaki
patent: 3943532 (1976-03-01), DeFilippis
patent: 4106077 (1978-08-01), Furda
Kalimar Inc. Advertising Brochure-Photographic Strobe Model K-474-copy submitted by applicant.
Caufield Francis J.
Kemper Catherine E.
Polaroid Corporation
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