Patent #0170109, assigned to Paul Bigsby August 4, 1953, for his vibrato system.
Patent #0170109, assigned to Paul Bigsby August 4, 1953, for his vibrato system.
Patent #212780, granted Nov. 19, 1968.
Patent #212780, granted Nov. 19, 1968.
Patent #212780, granted Nov. 19, 1968.
Patent #212780, granted Nov. 19, 1968.