Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1978-06-26
1981-01-13
Lucas, Susan J.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D16 72, D1606
Patent
active
D02578565
REFERENCES:
patent: D200878 (1965-04-01), Stoddart
patent: D223053 (1972-03-01), Woodruff
patent: 2225625 (1940-12-01), Ehrlich
patent: 4045131 (1977-08-01), Sherman
Sunset House Gift Catalog, 1966, p. 21, Novelty Frames.
Klotz Addie L.
Wittke Kurt W.
Lucas Susan J.
Schroeder Robert A.
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