Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1990-12-20
1993-05-18
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03356604
REFERENCES:
patent: D279190 (1985-06-01), Tsumura et al.
patent: D312623 (1990-12-01), Carter et al.
patent: D316706 (1991-05-01), Imamura et al.
Burke Wallace R.
Dell USA L.P.
Devine Thomas G.
Huffman James W.
Nunn Freda S.
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