Multiple Patents (Class 84/194)
  • Patent number: 6822147
    Abstract: An acoustic guitar having a single sound hole placed on the perimeter of the sound board for enhancing its sound generating characteristics and a novel sound board design.
    Type: Grant
    Filed: May 9, 2000
    Date of Patent: November 23, 2004
    Inventor: Mathew McPherson
  • Patent number: 4031798
    Abstract: Soundboards for stringed musical instruments comprising radially/circumferentially anisotropic sheets. The soundboards may be constructed of wooden wedges arranged so that the wood grain radiates from the focal point of the sheet. The soundboards preferably have at least a partially rounded periphery. Stringed instruments containing the novel soundboards are disclosed wherein the strings are coupled to the soundboards through a bridge located near the focal point of the soundboard.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: June 28, 1977
    Inventor: Arthur E. Sidner