Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1993-04-13
1994-09-06
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03503445
REFERENCES:
patent: D292600 (1987-11-01), Wagner
patent: D315552 (1991-03-01), Sacherman
patent: D327674 (1992-07-01), Kuo
patent: D328458 (1992-08-01), Bamy
patent: D331398 (1992-12-01), Clouss et al.
patent: D342241 (1993-12-01), Ashmun et al.
Burke Wallace R.
International Business Machines - Corporation
McKinley Martin J.
Tung M. H.
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