Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1991-10-17
1994-02-15
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03442667
REFERENCES:
patent: D312452 (1990-11-01), Takehara
patent: D315553 (1991-03-01), Davis et al.
Burke Wallace R.
Dolch American Instruments, Inc.
Nunn Freda S.
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