Patents by Inventor Donald Thomas Hoffecker

Donald Thomas Hoffecker 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).

  • Battery operated toothbrush
    Patent number: D490981
    Type: Grant
    Filed: January 7, 2002
    Date of Patent: June 8, 2004
    Inventors: Donald Thomas Hoffecker, Curtis Bailey