Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1979-02-23
1981-09-22
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D24 17, D1402, D2401
Patent
active
D02608855
REFERENCES:
patent: D220105 (1971-03-01), Small
patent: D229637 (1973-12-01), Pun
patent: D232436 (1974-08-01), Goodale et al.
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