Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1980-09-08
1982-08-03
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1603
Patent
active
D02656566
REFERENCES:
patent: D234821 (1975-04-01), Sakamoto
patent: D235221 (1975-05-01), Cormier
patent: D245612 (1977-08-01), Zeuthen
patent: D246526 (1977-11-01), Kurozumi
patent: D251912 (1979-05-01), Nakade
patent: D261146 (1981-10-01), Sakai
patent: D261661 (1981-11-01), Charland
patent: 3813157 (1974-05-01), Fantozzi
Canon Kabushiki Kaisha
Holtje Nelson C.
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