Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1979-07-13
1981-12-01
Ansher, Bernard
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D21110, D1403
Patent
active
D02621088
REFERENCES:
patent: D248556 (1978-07-01), Thomas
patent: D250023 (1978-10-01), Thomas
patent: 4087650 (1978-05-01), Tucker
Old Guilford Forge, p. 42, Item 29, Weathervane, Hunter & Dog.
Ansher Bernard
Beecher Keith D.
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