Patents by Inventor Mathew McPherson, Sr.

Mathew McPherson, Sr. 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).

  • Acoustic guitar
    Patent number: 4317402
    Abstract: Acoustic guitar having three spaced sound holes and a modified back for producing improved sound of clean, sustaining quality.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: March 2, 1982
    Inventor: Mathew McPherson, Sr.
  • String instrument pick
    Patent number: D268844
    Type: Grant
    Filed: October 31, 1980
    Date of Patent: May 3, 1983
    Inventor: Mathew McPherson, Sr.
  • Musical instrument support bracket
    Patent number: D270120
    Type: Grant
    Filed: June 13, 1980
    Date of Patent: August 16, 1983
    Inventor: Mathew McPherson, Sr.
  • Guitar body
    Patent number: D270735
    Type: Grant
    Filed: January 28, 1981
    Date of Patent: September 27, 1983
    Inventor: Mathew McPherson, Sr.