Doc Kauffman (original) (raw)

Doc Kauffman (born Clayton Orr Kauffman May 4, 1901, died June 26, 1990) 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.