Microfilm cartridge

Details Microfilm cartridge Microfilm cartridge

1986-05-14

1990-04-10

Feifer, Melvin B.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Video

Patent

active

D03071391

REFERENCES:
patent: D278146 (1985-03-01), Matsumoto
patent: 3854804 (1974-12-01), McMaster
patent: 4264166 (1981-04-01), Morris
patent: 4339776 (1982-07-01), Langer et al.

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