Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1978-10-03
1981-07-07
Ansher, Bernard
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D14 33, D 6148, D1403, D0603
Patent
active
D02597861
REFERENCES:
patent: D192637 (1962-04-01), Judson
patent: D212004 (1968-08-01), Emond
patent: D227478 (1973-06-01), Ekdahl
patent: D244468 (1977-05-01), Buchin
patent: 3931867 (1976-01-01), Janszen
patent: 4078155 (1978-03-01), Botros et al.
patent: 4184048 (1980-01-01), Alcaide
Leeson Fred D.
Main Henry A.
Read Clifford D.
Ansher Bernard
Jelly Sidney T.
Northern Telecom Limited
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