Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1981-01-07
1984-03-20
Ansher, Bernard
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D14 52, D14100, D14113
Patent
active
D02731096
REFERENCES:
patent: D202555 (1965-10-01), Meunier
patent: D259933 (1981-07-01), Foggia et al.
patent: D265314 (1982-07-01), Kitai
patent: D266762 (1982-11-01), Gibson
Telephony, Jan. 1, 1979, p. 30, GTE-60 PBX with display.
Ansher Bernard
Telefonaktiebolaget L M Ericsson
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