Patents by Inventor Donald M. Armstrong

Donald M. Armstrong 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).

  • Product branding apparatus and methods for making and using same
    Patent number: 7152525
    Abstract: A product branding apparatus and methods as disclosed relate to a branding element having indicia configured in the shape of a desired design to be branded onto a product and a heating conductor for transferring heat from a heating apparatus to the branding element.
    Type: Grant
    Filed: September 15, 2004
    Date of Patent: December 26, 2006
    Inventor: Donald M. Armstrong
  • Portable travel toothbrush
    Patent number: D421679
    Type: Grant
    Filed: June 16, 1999
    Date of Patent: March 21, 2000
    Inventor: Donald M. Armstrong