Portable radio telephone

Details Portable radio telephone Portable radio telephone

1992-09-15

1994-03-22

Douglas, Alan P.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Radio transceiver

Patent

active

D03453553

REFERENCES:
patent: D250109 (1978-10-01), Genaro et al.
patent: D283126 (1986-03-01), Marshall
patent: D301882 (1989-06-01), Watanabe
patent: D302271 (1989-07-01), Watanabe
patent: D315558 (1991-03-01), Watanabe et al.
patent: D336471 (1993-06-01), Kawakami et al.
patent: 4736411 (1988-04-01), Chan
Japanese Official Gazette No. 804786 published Jan. 17, 1992, p. 77.
U.S. Design Patent No. 314573 published Feb. 12, 1991, p. 1302.
U.S. Design Patent No. 321183 published Oct. 29, 1991, p. 3573.
Swedish Official Gazette No. M ans nr 90 0290, Nov. 14, 1990, p. 1023.

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