Patents Assigned to Tufty Ceramics, Inc.
  • Method for making a terra sigillata coated pan
    Patent number: 5492729
    Abstract: A process for preparing a terra sigillata coated body in which a clay green body containing clay, from about 3 to about 15 weight percent of water, and from about 0.05 to about 0.4 weight percent of barium carbonate is coated with a coating composition, and the coated composition is thereafter fired.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: February 20, 1996
    Assignee: Tufty Ceramics, Inc.
    Inventors: Karen Tufty-Wisniewski, William B. Crandall