Conference speakerphone

Details Conference speakerphone Conference speakerphone

2001-07-13

2002-05-14

Asch, Jeffrey (Department: 2913)

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

Design Patent

active

D0457150

CLAIM:
The ornamental design for a conference speakerphone, as shown and described.

REFERENCES:
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patent: D381019 (1997-07-01), Muller et al.
patent: D382266 (1997-08-01), Wakefield
patent: D406841 (1999-03-01), Myung
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patent: 6016346 (2000-01-01), Rittmueller et al.
patent: D434747 (2000-12-01), Bird et al.
patent: D444777 (2001-07-01), Bird et al.
patent: D449285 (2001-10-01), Wakefield et al.
patent: D449286 (2001-10-01), Wakefield et al.
Hello Direct, Spring 1997, p. 44, teleconferencing devices shown therein.

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