Patents by Inventor Richard Michael Eberlen

Richard Michael Eberlen 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).

  • String support for guitar
    Patent number: D707286
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: June 17, 2014
    Inventor: Richard Michael Eberlen
  • String support for a guitar
    Patent number: D732605
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: June 23, 2015
    Inventor: Richard Michael Eberlen
  • Set of string attachments for guitar
    Patent number: D780834
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: March 7, 2017
    Inventor: Richard Michael Eberlen
  • String attachment for guitar
    Patent number: D865046
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: October 29, 2019
    Inventor: Richard Michael Eberlen