Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent
1982-08-02
1984-11-13
Holtje, Nelson C.
Photography and optical equipment
Projector or viewer
With provision for transparency magazine
Patent
active
D02763460
REFERENCES:
patent: D219312 (1970-11-01), Lamb
patent: D264345 (1982-05-01), Masaki
patent: D266253 (1982-09-01), Horikoshi
patent: D266254 (1982-09-01), Horikoshi
patent: D267948 (1983-02-01), Kojima
patent: 3813157 (1974-05-01), Fantozzi
Canon Kabushiki Kaisha
Holtje Nelson C.
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