Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1990-01-09
1992-01-14
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03231577
REFERENCES:
patent: D291442 (1987-08-01), Kurihara
patent: D293678 (1988-01-01), Sawatani et al.
patent: D294831 (1988-03-01), Hara et al.
patent: D298945 (1988-12-01), Kagayama et al.
patent: D308194 (1990-05-01), Messerschmidt et al.
patent: D309895 (1990-08-01), Lampe
patent: D311528 (1990-10-01), Sugano et al.
Burke Wallace R.
Essex Electric Pte. Ltd.
Nunn Freda S.
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