US PATENT SUBCLASS 84 / 270
.~.~.~ Resonance devices

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
173  DF  .~ Stringed {10}
269  DF  .~.~ Banjos {1}
270.~.~.~ Resonance devices {3}
271  DF  .~.~.~.~> Closed back
272  DF  .~.~.~.~> Two rings
273  DF  .~.~.~.~> Mutes

DEFINITION

Classification: 84/270

Means to change the quality of the banjo-tones by an attachment or especially by partly-closed air-cavities.

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