Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1993-03-05
1994-12-13
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03533700
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Ashmun Stuart
Bradley Paul
Cameron Bridget
Fulton Elinor J.
Garthwaite Charlie
Burke Wallace R.
Microsoft Corporation
Tung M. H.
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