Patents by Inventor Patrick Drinkwater

Patrick Drinkwater 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).

  • Service dog vest
    Patent number: D816919
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: May 1, 2018
    Inventor: Patrick Drinkwater
  • Service dog vest
    Patent number: D816920
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: May 1, 2018
    Inventor: Patrick Drinkwater