Credit card reading telephone set

Recording – communication – or information retrieval equipment – Computer – data processor equipment

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Details

D14 52, D14 58

Patent

active

D02915634

REFERENCES:
patent: D209211 (1967-11-01), Gilbert
patent: D259639 (1981-06-01), Anthony et al.
patent: D283890 (1986-05-01), Britz et al.
patent: 3938090 (1976-02-01), Borison et al.
patent: 4300040 (1981-11-01), Gould et al.
patent: 4454414 (1984-06-01), Benton
patent: 4527051 (1985-07-01), Stenzel
patent: 4587379 (1986-05-01), Masuda
Telephony, 16 Jan. 1984, p. 107; A WRITSU Magnetic Cord Telephone.
Telephony, Dec. 2, 1985, p. 53; TelCom Div., Phillips & Brooks, Inc.; Model CR Series Charge Card Phone.

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