Patents by Inventor Calvin Riendeau

Calvin Riendeau 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).

  • Adjustable liquid dispensing valve
    Patent number: D467769
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: December 31, 2002
    Inventor: Calvin Riendeau
  • Liquid dispensing valve
    Patent number: D609305
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: February 2, 2010
    Inventor: Calvin Riendeau