Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1992-08-06
1993-10-19
Douglas, Alan P.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03404528
REFERENCES:
patent: D280895 (1985-10-01), Kao
patent: D291564 (1987-08-01), Kajita
patent: D295975 (1988-05-01), Taylor et al.
patent: D304939 (1989-12-01), Sutoh
patent: D305232 (1989-12-01), Sutoh
patent: D305652 (1990-01-01), Tejima
patent: D319438 (1991-03-01), Suckley
patent: D325909 (1992-05-01), Shambley et al.
patent: 4860336 (1989-08-01), D'Avello et al.
Asch Jeffrey
Douglas Alan P.
GTE Airfone Incorporated
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