Patents by Inventor Dolawat Puangprasert

Dolawat Puangprasert 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).

  • Ventilated hat
    Patent number: D607629
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: January 12, 2010
    Inventor: Dolawat Puangprasert
  • Ventilated hat
    Patent number: D617536
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: June 15, 2010
    Inventor: Dolawat Puangprasert