Patents by Inventor Dorothy L. Buchhagen

Dorothy L. Buchhagen 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: D430193
    Type: Grant
    Filed: January 13, 2000
    Date of Patent: August 29, 2000
    Inventor: Dorothy L. Buchhagen