Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1990-04-10
1992-08-25
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D18 7
Patent
active
D03288919
REFERENCES:
patent: D298623 (1988-11-01), Yubisui et al.
patent: D308692 (1990-06-01), Sakaguchi
patent: D308693 (1990-06-01), Sakaguchi
patent: D308883 (1990-06-01), Sakaguchi
patent: D309293 (1990-07-01), Helbig, Jr.
patent: D317619 (1991-06-01), Sawada et al.
Ohta Kenji
Sakaguchi Hiroshi
Takahashi Toshiya
Burke Wallace R.
Nunn Freda S.
Sharp Corporation
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