Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1987-09-02
1991-02-12
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03145662
REFERENCES:
patent: D283320 (1986-04-01), Yomo
patent: 3106799 (1963-10-01), Gawthrop
patent: 4475705 (1984-10-01), Henneberg et al.
patent: 4546947 (1985-10-01), Gesten
patent: 4619429 (1986-10-01), Mazza
patent: 4632471 (1986-12-01), Visnapuu
patent: 4693443 (1987-09-01), Drain
patent: 4836489 (1989-06-01), Chu
Davis Dale G.
Davis Shane E.
Burke Wallace R.
Davis Shane E.
Nunn Freda S.
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