Pay-phone

Details Pay-phone Pay-phone

1999-03-31

2000-04-25

Asch, Jeffrey

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

1403

Patent

active

D04234960

REFERENCES:
patent: D302273 (1989-07-01), Adachi et al.
patent: D305332 (1990-01-01), Schremmer et al.
patent: D315485 (1991-03-01), Schremmer et al.
patent: D324519 (1992-03-01), Chen
patent: D342251 (1993-12-01), Hird et al.
patent: D375307 (1996-11-01), Lamora
patent: D388083 (1997-12-01), Chung
patent: D410235 (1999-05-01), Su
patent: 5471529 (1995-11-01), Hsu

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