Microfilm reader

Details Microfilm reader Microfilm reader

1984-04-09

1987-02-17

Zarfas, Louis S.

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D16 28

Patent

active

D02883309

REFERENCES:
patent: D224808 (1972-09-01), Fitzgerald
patent: D238514 (1976-01-01), Artaud
patent: D270447 (1983-09-01), Hara
patent: D284385 (1986-06-01), Kando et al.
patent: 3463585 (1969-08-01), Levine

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