Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio transmitter
Patent
1988-02-16
1992-04-21
Feifer, Melvin B.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Radio transmitter
D10121
Patent
active
D03255700
REFERENCES:
patent: D231753 (1974-06-01), Fujiwara
patent: D272534 (1984-02-01), Wong et al.
patent: D302157 (1989-07-01), Vories
patent: D303223 (1989-09-01), Issa
patent: D303969 (1989-10-01), Scheid et al.
patent: D307012 (1990-04-01), Berkheij
patent: D310063 (1990-08-01), Cheng
patent: D311349 (1990-10-01), Walsh
Feifer Melvin B.
Gernstein Terry M.
Hyder P.
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