Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1989-10-27
1991-11-26
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D19 76, D19 52
Patent
active
D03218651
REFERENCES:
patent: D269529 (1983-06-01), Luen
patent: D307134 (1990-04-01), Makidera
patent: D308364 (1990-06-01), Beasley, Jr. et al.
patent: D310576 (1990-09-01), Narbut et al.
patent: D312076 (1990-11-01), Miller et al.
patent: 3705956 (1972-12-01), Dertouzos
patent: 4918632 (1990-04-01), York
patent: 4972496 (1990-11-01), Sklarew
Burke Wallace R.
Hewlett--Packard Company
Nunn Freda S.
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