Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1991-01-25
1993-08-10
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03381951
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Deroke Computer Support Products item keyboard tray, p. 30, Spring 1989.
Burke Wallace R.
Comprest, Inc.
Tung M. H.
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