Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1980-07-24
1982-06-01
Ansher, Bernard
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D21110, D1403
Patent
active
D02647141
REFERENCES:
patent: D247175 (1978-02-01), Oliney
patent: D248556 (1978-07-01), Thomas
patent: D255238 (1980-06-01), Thomas
patent: 4087650 (1978-05-01), Tucker
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