Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1982-06-07
1984-11-13
Corrigan, Jane E.
Recording, communication, or information retrieval equipment
Computer, data processor equipment
Patent
active
D02763362
REFERENCES:
patent: D195970 (1963-08-01), Spilman
patent: D214452 (1969-06-01), Christiansen
patent: D250645 (1978-12-01), Peterson et al.
patent: 4199721 (1980-04-01), Ono et al.
Corrigan Jane E.
Siemens Aktiengesellschaft
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