Patents by Inventor John Richard Kirk

John Richard Kirk 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).

  • Cleaning tablet
    Patent number: D556946
    Type: Grant
    Filed: August 17, 2006
    Date of Patent: December 4, 2007
    Assignee: The Procter & Gamble Company
    Inventors: Susan Marie Seum, John Richard Kirk, Roger Kurt Reichenbach
  • Cleaning tablet
    Patent number: D556947
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: December 4, 2007
    Assignee: The Procter & Gamble Company
    Inventors: Susan Marie Seum, John Richard Kirk, Roger Kurt Reichenbach