Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1978-12-13
1981-07-14
Ansher, Bernard
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D21111, D1403
Patent
active
D02598787
REFERENCES:
patent: D43173 (1972-10-01), West
patent: D190836 (1961-07-01), Roselaar
patent: D225143 (1972-12-01), Scoggins
patent: D248556 (1978-07-01), Thomas
patent: D250023 (1978-10-01), Perkins et al.
patent: 4087650 (1978-05-01), Tucker
Ansher Bernard
Beecher Keith D.
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