Caller identification device

Details Caller identification device Caller identification device

1990-12-20

1993-08-31

Douglas, Alan P.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

D10 15

Patent

active

D03388891

REFERENCES:
patent: D239838 (1976-05-01), Crimmins
patent: D241522 (1976-09-01), Tateishi
patent: D246351 (1977-11-01), Yoshida et al.
patent: D252801 (1979-09-01), Usuda
patent: D255551 (1980-06-01), Hirota
patent: D263124 (1982-02-01), Dennis
patent: D306026 (1990-02-01), Boykin
patent: D311523 (1990-10-01), Cheung et al.
patent: D323155 (1992-01-01), Hino et al.
patent: D328291 (1992-07-01), Falkner

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