Speakerphone

Details Speakerphone Speakerphone

1996-06-27

1997-08-12

Asch, Jeffrey

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

1403

Patent

active

D03822664

REFERENCES:
patent: D292283 (1987-10-01), Matsuda et al.
patent: D300322 (1989-03-01), Lam
patent: D308701 (1990-06-01), Kojima
patent: D325582 (1992-04-01), Emmons et al.
patent: D325734 (1992-04-01), Miyai
patent: D331060 (1992-11-01), Emmons et al.
patent: D342732 (1993-12-01), Hinman et al.
patent: D355416 (1995-02-01), McCay et al.
patent: D368721 (1996-04-01), Howell et al.
Hello Direct, Summer 1993, p. 37, Voicepoint Speakerphone.

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