Patents by Inventor Anne H. Langston

Anne H. Langston 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).

  • Two seat swing
    Patent number: D433242
    Type: Grant
    Filed: December 14, 1999
    Date of Patent: November 7, 2000
    Inventor: Anne H. Langston