Speaker

Details Speaker Speaker

1990-03-09

1992-08-25

Shooman, Theodore M.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Speaker or housing therefor

Patent

active

D03289001

REFERENCES:
patent: D248647 (1978-07-01), Nussdorfer
patent: D288807 (1987-03-01), Hlavaty
patent: 4625328 (1986-11-01), Freadman
Polk Audio Brochure, p. 16, right-Polk Fluid Coupled Subwoofer.

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