US Patent Number

3760679

Publication Date

9-25-1973

Abstract

A non-transposing mute having a metallic hemispherical resonator with a hollow acoustic filter attached thereto is provided for detachably fitting upon the rim of a brass musical instrument. A variety of tonal quality is available by choice of the particular filter selected by the musician.

Assignees

University of Kentucky Research Foundation, Lexington, Ky.

Application Number

286,666

Filing Date

09/06/1972

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