Doc Kauffman

Doc Kauffman was a lap steel guitar, electric guitar engineer, inventor and pioneer of the world's first patented guitar vibrato system. The patent for


Doc Kauffman was a lap steel guitar, electric guitar engineer, inventor and pioneer of the world's first patented guitar vibrato system. The patent for "Apparatus for producing tremolo effects" was applied for in 1928 and officially granted to Doc Kauffman on January 5, 1932.
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