Patents by Inventor John L. Milton

John L. Milton 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).

  • Musical attachment for guitar
    Patent number: 3956963
    Abstract: This invention relates to musical instruments and in particular to attachments for application to guitars to change the tone of the latter.
    Type: Grant
    Filed: February 24, 1975
    Date of Patent: May 18, 1976
    Inventor: John L. Milton
  • Roll bar
    Patent number: D257673
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: December 23, 1980
    Inventor: John L. Milton
  • Bumper
    Patent number: D277839
    Type: Grant
    Filed: January 4, 1983
    Date of Patent: March 5, 1985
    Assignee: Milton Manufacturing Inc.
    Inventor: John L. Milton
  • Bumper guard
    Patent number: D280398
    Type: Grant
    Filed: February 25, 1983
    Date of Patent: September 3, 1985
    Inventor: John L. Milton
  • Bumper cap
    Patent number: D281873
    Type: Grant
    Filed: January 4, 1983
    Date of Patent: December 24, 1985
    Assignee: Milton Manufacturing, Inc.
    Inventor: John L. Milton