Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1992-11-09
1994-10-04
Douglas, Alan P.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03511634
REFERENCES:
patent: D277480 (1985-02-01), Jackwicz et al.
patent: D283890 (1986-05-01), Britz et al.
patent: D300135 (1989-03-01), Alvarez
patent: D302273 (1989-07-01), Adachi et al.
patent: D302691 (1989-08-01), Rose
patent: D302814 (1989-08-01), Rose
patent: D304190 (1989-10-01), Rose
patent: D304725 (1989-11-01), Rose
patent: D319827 (1991-09-01), Ibanez Palomeque et al.
patent: D324519 (1992-03-01), Chen
Chin Byung W.
Kim Eun H.
Kwon Sun H.
Asch Jeffrey
Douglas Alan P.
Korea Telecommunication Authority
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