Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1986-11-10
1989-08-29
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03031136
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Computer Design--March 1981, p. 164--HP-83 Personal Computer.
Danielson Arvin D.
Dunbar Lyndon L.
Durbin Dennis A.
Fischer Kevin L.
Lippisch George G.
Lucas Susan J.
Norand Corporation
Nunn Freda S.
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