Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1987-06-12
1990-06-26
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03088634
REFERENCES:
patent: 3482498 (1969-12-01), Becker
patent: 3585594 (1971-06-01), Schwend
patent: 3975711 (1976-08-01), McMatton
patent: 4336998 (1982-06-01), Ruell
patent: 4394773 (1983-07-01), Ruell
patent: 4701959 (1987-10-01), Asai et al.
patent: 4784484 (1988-11-01), Jensen
Chelcun Darrell N.
Soren Leon
Lucas Susan J.
Nunn Freda S.
Thumb Scan, Inc.
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