Patents by Inventor Stephen Marc McElhenny

Stephen Marc McElhenny 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).

  • Knob for a musical instrument
    Patent number: D909467
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: February 2, 2021
    Assignee: Maximum Guitar Works Ltd.
    Inventor: Stephen Marc McElhenny
  • Knob for a musical instrument
    Patent number: D909468
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: February 2, 2021
    Assignee: Maximum Guitar Works Ltd.
    Inventor: Stephen Marc McElhenny