Patents by Inventor Joan Wilkinson

Joan Wilkinson 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).

  • Patent number: D446253
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: August 7, 2001
    Inventors: Mark Wilkinson, Joan Wilkinson
  • Patent number: D448051
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: September 18, 2001
    Inventors: Mark Wilkinson, Joan Wilkinson