Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1980-10-06
1983-04-19
Corrigan, Jane E.
Recording, communication, or information retrieval equipment
Computer, data processor equipment
D14 14, D14 99, D1401
Patent
active
D02686708
REFERENCES:
patent: D254785 (1980-04-01), Watanabe
patent: 3787636 (1974-01-01), Brandt et al.
patent: 3855620 (1974-12-01), Kato
patent: 4091427 (1978-05-01), Iwaoka et al.
Igeta Yousuke
Iwaoka Masao
Kobayashi Fumio
Burt Pamela S.
Corrigan Jane E.
Gakken Co., Ltd. (Kabushiki Kaisha Gakushu Kenkyusha)
Shortley John L.
Weiner Irving M.
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