Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1988-02-11
1990-08-21
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D18 7
Patent
active
D03100693
REFERENCES:
patent: D237195 (1975-10-01), Kitai
patent: 3943641 (1976-03-01), Dworetzky
patent: 4004354 (1977-01-01), Yamauchi
patent: 4035933 (1977-07-01), Abe et al.
patent: 4335303 (1982-06-01), Call
patent: 4682958 (1987-07-01), Slavik et al.
Bleich Eli
Leone Holly Y.
Lucas Susan J.
Nunn Freda S.
Quick Tally Systems
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