Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1992-11-02
1994-11-08
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D19 52, D19 60
Patent
active
D03522792
REFERENCES:
patent: D315549 (1991-03-01), Clough et al.
patent: D317151 (1991-05-01), Daly
patent: D319433 (1991-08-01), Pearce
patent: D321174 (1991-10-01), Tsuchiya
patent: D340701 (1993-10-01), Takeuchi
patent: D341823 (1993-11-01), Sakai
M9103658-Feb. 10, 1992-Germany-IBM.
Bratton William E.
Davis John C.
Foy Hunter T.
Jordan, III Willis Y.
Bogdon Bernard D.
Burke Wallace R.
International Business Machines Incorporated
Nunn Freda S.
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