Loudspeaker

Details Loudspeaker Loudspeaker

1977-06-13

1979-10-09

Ansher, Bernard

Recording, communication, or information retrieval equipment

Computer, data processor equipment

181147, 1791155PS, D1401

Patent

active

D02531089

REFERENCES:
patent: D72428 (1927-04-01), Hopkins
patent: D186670 (1959-11-01), Durbin
patent: D197716 (1964-03-01), Boldt et al.
J. C. Whitney and Co., Cat. No. 355B, .COPYRGT.1976, p. 32, Coaxial Amplifier System, Item No. 03-6448B.
Stereo/Hi-Fi Directory, 1963, p. 121, Item Minneapolis Coax. Speaker, Item No. Model K-12-HFC, 12".

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