Patents by Inventor Joan Chamberlain

Joan Chamberlain 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).

  • Recipe box and easel
    Patent number: D581150
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: November 25, 2008
    Inventor: Joan Chamberlain
  • Recipe box and easel
    Patent number: D588354
    Type: Grant
    Filed: June 4, 2008
    Date of Patent: March 17, 2009
    Inventor: Joan Chamberlain
  • Recipe easel
    Patent number: D641177
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: July 12, 2011
    Inventor: Joan Chamberlain
  • Recipe box
    Patent number: D653854
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: February 14, 2012
    Inventor: Joan Chamberlain