Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1991-08-02
1993-03-09
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03338185
REFERENCES:
patent: D272921 (1984-03-01), Kim
patent: D289306 (1987-04-01), Burnstein et al.
patent: D326261 (1992-05-01), Ashmun et al.
patent: 4538476 (1985-09-01), Lugue
patent: 4952919 (1990-08-01), Nippoldt
Businessland Catalog item Kensington Turbo Mouse, p. 22, 1988.
Burke Wallace R.
Tung M. H.
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