Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Patent
1993-01-22
1995-02-07
Bullock, B. J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Speaker or housing therefor
Patent
active
D03551938
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Crutchfeld; Fall/93 & Winter/93; p. 100; Velodyne subwoofer (lower left).
Stereo Review; Sep./1988; p. 68; subwoofer (lower right).
Crutchfeld; Summer 1991; p. 100; Bose subwoofer (lower right).
Crutchfeld; Summer 1991; p. 97; Advent subwoofer (right center).
Bullock B. J.
Stillwater Designs & Audio, Inc.
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