Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1994-03-22
1996-04-30
Nunn, Freda
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03693503
REFERENCES:
patent: D280898 (1985-10-01), Benigni et al.
patent: D335489 (1993-05-01), Sander
patent: D338453 (1993-08-01), Martin
Dillon Andrew J.
International Business Machines - Corporation
Nunn Freda
Yudell Craig J.
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