Conference telephone

Details Conference telephone Conference telephone

2007-12-18

2007-12-18

Wallace, Terry A (Department: 2916)

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

CD14S225000

Design Patent

active

29260970

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

REFERENCES:
patent: D327479 (1992-06-01), Britz
patent: D488794 (2004-04-01), Chen
patent: D491909 (2004-06-01), Sun
patent: D499392 (2004-12-01), Bathurst et al.
patent: 2003/0053620 (2003-03-01), Chen
patent: 946209 (1996-02-01), None
patent: 1028945 (1999-01-01), None
patent: 946209 1 (2000-03-01), None
patent: 1091296 (2000-11-01), None
patent: 1187512 (2003-10-01), None
patent: 1191252 (2003-12-01), None

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