Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1977-10-11
1979-08-21
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D14 49, D1402
Patent
active
D02526832
REFERENCES:
patent: 3678212 (1972-07-01), Wild
patent: 3914309 (1975-10-01), Swensen
patent: 3914789 (1975-10-01), Coker, Jr. et al.
Connolly John P.
King James B.
Sheehan Edward P.
Jacob Fred
Lucas Susan J.
Massachusetts Bay Transportation Authority
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