Patents by Inventor Christina Lehtinen

Christina Lehtinen 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).

  • Pretzel chip
    Patent number: D589227
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: March 31, 2009
    Assignee: Roskam Baking Company
    Inventor: Christina Lehtinen
  • Pretzel chip
    Patent number: D589232
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: March 31, 2009
    Assignee: Roskam Baking Company
    Inventor: Christina Lehtinen
  • Pretzel chip
    Patent number: D596376
    Type: Grant
    Filed: February 13, 2008
    Date of Patent: July 21, 2009
    Assignee: Roskam Baking Company
    Inventor: Christina Lehtinen