Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1979-04-20
1982-03-23
Ansher, Bernard
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D14 6, D1401
Patent
active
D02634678
REFERENCES:
patent: D231472 (1974-04-01), Dietrich
patent: D243345 (1977-02-01), Theresia et al.
patent: D247747 (1978-04-01), Nemoto et al.
patent: D251425 (1979-03-01), Speakman
patent: D251782 (1979-05-01), Culbertson
patent: 4021856 (1977-05-01), Motoyama et al.
Cridland Michael
Pulos Arthur J.
Ansher Bernard
Dictaphone Corporation
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