Patents by Inventor Donna J. Ham

Donna J. Ham 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: D563919
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: March 11, 2008
    Inventors: Wesley P. Ham, Donna J. Ham