Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1991-09-17
1993-09-21
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03395758
REFERENCES:
patent: D277003 (1985-01-01), Cridland et al.
patent: D278709 (1985-05-01), Xanthopoulus
patent: D313402 (1991-01-01), Esslinger
Burke Wallace R.
Nunn Freda S.
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