Document copier

Details Document copier Document copier

1980-01-17

1982-01-05

Holtje, Nelson C.

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D1603

Patent

active

D02625423

REFERENCES:
patent: D228151 (1973-08-01), Hikawa
patent: D230084 (1974-01-01), Nagata
patent: D239659 (1976-04-01), Katayama
patent: D251595 (1979-04-01), Shibaura
patent: D257984 (1981-01-01), Kurozumi
patent: 3604796 (1971-09-01), Ogawa
patent: 3672762 (1972-06-01), Suzuki
patent: 3907424 (1975-09-01), Komori
patent: 4017170 (1977-04-01), Komori
patent: 4154524 (1979-05-01), Hattori
patent: 4192608 (1980-03-01), Goshima
patent: 4236807 (1980-12-01), Kuehnle

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