Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1990-06-22
1992-04-21
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D18 7
Patent
active
D03255719
REFERENCES:
patent: D304930 (1989-12-01), Hongo et al.
patent: D308692 (1990-06-01), Sakaguchi et al.
patent: D317619 (1991-06-01), Sawada et al.
patent: D317780 (1991-06-01), Arai
patent: D317781 (1991-06-01), Takahita
patent: D317782 (1991-06-01), Haneda
patent: D317935 (1991-07-01), Sawano
Ohta Kenji
Sakaguchi Hiroshi
Burke Wallace R.
Nunn Freda S.
Sharp Corporation
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