Speaker

Details Speaker Speaker

1985-06-17

1988-05-24

Zarfas, Louis S.

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 33

Patent

active

D02958570

REFERENCES:
patent: D247489 (1978-03-01), Jabara
patent: D251973 (1979-05-01), Klopfer et al.
patent: D269872 (1983-07-01), Ishizaki
patent: D290699 (1987-07-01), Nakamura et al.
patent: 4611686 (1986-09-01), Kobayashi et al.

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