Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1978-09-20
1980-10-14
Kemper, Catherine E.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1605
Patent
active
D02573563
REFERENCES:
patent: D251148 (1979-02-01), Young et al.
patent: D254154 (1980-02-01), Young et al.
patent: 2851936 (1958-09-01), Seiben
patent: 3747488 (1973-07-01), Bennett
patent: 4176932 (1979-12-01), Young et al.
Drevitch Nolan A.
Rosati Anthony G.
Young Warren H.
Goettel, Jr. Frederick A.
Kemper Catherine E.
Polaroid Corporation
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