Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1993-09-20
1995-07-18
Nunn, Freda S.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03604063
REFERENCES:
patent: D305753 (1990-01-01), Hoshino
patent: D312624 (1990-12-01), Tedham
patent: D342237 (1993-12-01), Sharp
patent: D349488 (1994-08-01), Aderman et al.
Hill David W.
Murphy Tim K.
International Business Machines - Corporation
Nunn Freda S.
Truelson Roy W.
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