Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1980-03-10
1982-05-04
Sebastian, Leland A.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1603
Patent
active
D02642190
REFERENCES:
patent: D236915 (1975-09-01), Hideshima
patent: D251912 (1979-05-01), Nakade
patent: D257984 (1981-01-01), Kurozumi et al.
Bellofatto Steven
Currier Melinda M.
Lai Edward C. H.
Plumb William L.
Serbinski Andrew T.
Savin Corporation
Sebastian Leland A.
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