Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1989-12-22
1991-11-05
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03213439
REFERENCES:
patent: D291443 (1987-08-01), Pedinielli et al.
patent: D302268 (1989-07-01), Larson et al.
patent: D308864 (1990-06-01), Takai
patent: D309298 (1990-07-01), Pushelberg
patent: D311911 (1990-11-01), Ueno et al.
patent: D317445 (1991-06-01), Sacherman
Feer David L.
Williams Daniel L.
Burke Wallace R.
Codex Corporation
Nunn Freda S.
Warren Charles L.
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