Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1989-03-13
1990-11-20
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03122484
REFERENCES:
patent: D290256 (1987-06-01), Sapper
patent: D299031 (1988-12-01), Sugano
patent: D303523 (1989-09-01), Shiozawa et al.
patent: D305883 (1990-02-01), Burton
Burke Wallace R.
Nunn Freda S.
OKI Electric Industry Co., Ltd.
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