Patents by Inventor Arthur E. Sidner

Arthur E. Sidner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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