Ceiling-mounted loudspeaker

Details Ceiling-mounted loudspeaker Ceiling-mounted loudspeaker

1992-03-23

1993-11-23

Ansher, Bernard

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Speaker or housing therefor

D14216

Patent

active

D03415929

REFERENCES:
patent: D238185 (1975-12-01), Wellward
patent: D242151 (1976-01-01), Wellward
patent: D247562 (1978-03-01), Walker et al.
patent: D248647 (1978-07-01), Nussdorfer
patent: D255234 (1980-06-01), Wellward et al.
patent: D281068 (1985-10-01), Katsuno
patent: 4327257 (1982-04-01), Schwartz
patent: 4625328 (1986-11-01), Freadman
Radio Shack 1990 Catalog, p. 42 "Full-Range Speaker".
Stereo Review Aug. 1990, p. 55 "Granite 377B" speaker.
Radio Shack 1991 Catalog, p. 49 "31/2" speaker.

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