Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1993-02-12
1994-07-12
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03486613
REFERENCES:
patent: D307134 (1990-04-01), Makidera
patent: D315549 (1991-03-01), Clough et al.
patent: D319434 (1991-08-01), Lund
patent: D340701 (1993-10-01), Takeuchi
M9006877-Aug. 1991-Germany-Specification D14-100.
Hansen Peter K.
Kragh Lars
Burke Wallace R.
Nunn Freda S.
Trinitech Systems Inc.
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