Portable telephone

Details Portable telephone Portable telephone

1993-12-07

1994-12-27

Douglas, Alan P.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Radio transceiver

Patent

active

D03538079

REFERENCES:
patent: D305888 (1990-02-01), Bevilacqua et al.
patent: D319052 (1991-08-01), Major
patent: D319232 (1991-08-01), Konno et al.
patent: D321183 (1991-10-01), Powell et al.
patent: D323325 (1992-01-01), Seki
patent: D334926 (1993-04-01), Hunt et al.
patent: D339338 (1993-09-01), Tattari et al.
patent: D341138 (1993-11-01), Cummings
patent: D343172 (1994-01-01), Watanabe
patent: D345734 (1994-04-01), Seymour et al.
patent: D347005 (1994-05-01), Suzuki

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