Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1981-05-18
1983-08-23
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
D1603
Patent
active
D02702525
REFERENCES:
patent: D222298 (1971-10-01), Ishii
patent: D230084 (1974-01-01), Nagata
patent: D231952 (1974-06-01), Nagata
patent: D239659 (1976-04-01), Katayama
patent: D248957 (1978-08-01), Kitai
patent: D257984 (1981-01-01), Kurozumi
patent: D264345 (1982-05-01), Masaki
patent: 3424526 (1969-01-01), Sacre
patent: 3594079 (1971-07-01), Murgas
patent: 3672762 (1972-06-01), Suzuki
patent: 4268164 (1981-05-01), Yajima
Holtje Nelson C.
Sharp Corporation
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