Duplicator or the like

Details Duplicator or the like Duplicator or the like

1982-03-11

1984-10-02

Holtje, Nelson C.

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

Patent

active

D02757630

REFERENCES:
patent: D214699 (1969-07-01), Stessel
patent: D218576 (1970-09-01), Van Acker
patent: D224054 (1972-06-01), Derby
patent: D230312 (1974-02-01), Penny
patent: D240554 (1976-07-01), Cross
patent: D243238 (1977-02-01), Olson
patent: D243949 (1977-04-01), Olson
patent: D258446 (1981-03-01), Beehler
patent: D268345 (1983-03-01), Robertson
Key Operator Instruction for Kodak Ektaprint Copier/Duplicators (three pages) pp. 3, 4 and 5.

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