Portable telephone

Details Portable telephone Portable telephone

1993-12-07

1995-01-10

Douglas, Alan P.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Radio transceiver

Patent

active

D03542840

REFERENCES:
patent: D316410 (1991-04-01), Watanabe et al.
patent: D319052 (1991-08-01), Major
patent: D321183 (1991-10-01), Powell et al.
patent: D322435 (1991-12-01), Nakamachi et al.
patent: D323325 (1992-01-01), Seki
patent: D334187 (1993-03-01), Matsuda
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.

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