Patents by Inventor Nathan Allen Forsythe

Nathan Allen Forsythe 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).

  • Blowout plug
    Patent number: D607546
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: January 5, 2010
    Inventor: Nathan Allen Forsythe
  • Blowout plug
    Patent number: D645545
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: September 20, 2011
    Inventor: Nathan Allen Forsythe
  • Blowout plug
    Patent number: D645546
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: September 20, 2011
    Inventor: Nathan Allen Forsythe