Patents by Inventor William Engels

William Engels 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).

  • Shot glass holder
    Patent number: D763628
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: August 16, 2016
    Inventors: Jason Griffin, William Engels
  • Shot glass holder
    Patent number: D771443
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: November 15, 2016
    Inventors: Jason Griffin, William Engels