Patents by Inventor John L. Weckworth

John L. Weckworth 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: D620781
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: August 3, 2010
    Inventor: John L. Weckworth