3-1/2 inch disk cartridge

Details 3-1/2 inch disk cartridge 3-1/2 inch disk cartridge

1991-10-15

1993-12-07

Burke, Wallace R.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

Patent

active

D03420620

REFERENCES:
patent: D298251 (1988-10-01), Kato et al.
patent: D307893 (1990-05-01), Kato et al.
patent: D311181 (1990-10-01), Miyazawa
patent: D311182 (1990-10-01), Nash et al.
patent: 4045821 (1977-08-01), Fujikura
patent: 4419703 (1983-12-01), Gruczelak et al.
patent: 4559575 (1985-12-01), Noto et al.
patent: 4717981 (1988-01-01), Nigam et al.
patent: 4755982 (1988-07-01), Douwes
patent: 4768124 (1988-08-01), Bauek et al.
patent: 4870518 (1989-09-01), Thompson et al.

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