Recording – communication – or information retrieval equipment – Computer – data processor equipment – Peripheral equipment
Design Patent
2001-09-14
2002-09-24
Nunn, Freda (Department: 2911)
Recording, communication, or information retrieval equipment
Computer, data processor equipment
Peripheral equipment
Design Patent
active
D0463428
CLAIM:
The ornamental design for an arithmetic operation control machine for electronic computer, as shown and described.
REFERENCES:
patent: D306286 (1990-02-01), Sawatani et al.
patent: D319225 (1991-08-01), Kline et al.
patent: D350945 (1994-09-01), Hill et al.
patent: D420336 (2000-02-01), Tanaka
patent: 6088224 (2000-07-01), Gallagher et al.
patent: D438205 (2001-02-01), Tanaka
patent: 832055-2 (1992-03-01), None
Kabushiki Kaisha Toshiba
Nunn Freda
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