Portable amplifier

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio receiver – tuner or amplifier – or housing therefor

Patent

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1403

Patent

active

D04206657

REFERENCES:
patent: D185413 (1959-06-01), Browner
patent: D220723 (1971-05-01), Abbo
patent: D234598 (1975-03-01), Saito
patent: D340455 (1993-10-01), Christian
patent: D378521 (1997-03-01), Neuman
patent: 4944016 (1990-07-01), Christian
patent: 5018204 (1991-05-01), Christian
Jul. 1998 edition of Guitar for the Practicing Musician Magazine, advertisement titled "That Big Guitar Sound Just Got Smaller" which illustrates a portable amplifier sold by CB Labs.

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