Patents by Inventor Mark Erlewine

Mark Erlewine 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).

  • Guitar
    Patent number: D267956
    Type: Grant
    Filed: September 18, 1980
    Date of Patent: February 15, 1983
    Inventors: Mark Erlewine, William F. Gibbons
  • Guitar
    Patent number: D269974
    Type: Grant
    Filed: April 14, 1980
    Date of Patent: August 2, 1983
    Inventors: Mark Erlewine, William F. Gibbons
  • Guitar
    Patent number: D278632
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: April 30, 1985
    Inventor: Mark Erlewine
  • Guitar
    Patent number: D293331
    Type: Grant
    Filed: August 8, 1985
    Date of Patent: December 22, 1987
    Inventors: Mark Erlewine, William Squier