Combined desk telephone and index unit

Details Combined desk telephone and index unit Combined desk telephone and index unit

1982-05-20

1984-11-13

Burke, Wallace R.

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 60, D14 53

Patent

active

D02763389

REFERENCES:
patent: D154848 (1949-08-01), Henderson
patent: D159977 (1950-09-01), Gardenier
patent: D167523 (1952-08-01), Mayo
patent: D173037 (1954-09-01), Newstadler
patent: D231953 (1974-06-01), Beger
patent: D250413 (1978-11-01), Holin
patent: D259885 (1981-07-01), Holin
patent: D272077 (1984-01-01), Holin
patent: 2488516 (1949-11-01), Shore
patent: 2541270 (1951-02-01), Mitnik
patent: 2968110 (1961-01-01), Quarnstrom
patent: 3368296 (1968-02-01), Edwards
patent: 3518783 (1970-07-01), Foley
patent: 4192425 (1980-03-01), Landau et al.

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