Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1977-11-21
1980-06-24
Ansher, Bernard
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D1899
Patent
active
D02555670
REFERENCES:
patent: D215358 (1969-09-01), Knowles et al.
patent: D231800 (1974-06-01), Hess
patent: D236834 (1975-09-01), McClurg et al.
patent: D246332 (1977-11-01), Bellini
patent: 3960259 (1976-06-01), Guerrini et al.
Ansher Bernard
Friedman Norman
Litton Business Systems Inc.
Rotella Robert F.
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