All about vintage cast iron cookware and the people who use it. Education, identification, use, stories, collectors and collections.

Patents

Griswold (Matthew) Socket Support for Sad Iron Patent, 1909

Griswold (Matthew) Socket Support for Sad Iron Patent, 1909

Inventor: Matthew Griswold, Jr. Assigned to General Electric Company. Application filed May 6, 1908. Patent granted April 20, 1909. #918,533.

Griswold Waffle Iron Patent, 1901

Griswold Waffle Iron Patent, 1901

Inventor: Matthew Griswold, Jr. Patent application filed Jan. 31, 1901. Granted May 21, 1901. #674,628.

Griswold Stove Damper Patent, 1915

Griswold Stove Damper Patent, 1915

Inventor: C.A. Massing. Patent applied for July 3, 1914. Granted July 20, 1915. #1,146,807.

Griswold Griddle Patent, 1916

Griswold Griddle Patent, 1916

Inventor: Roger W. Griswold. Assigned to Griswold Mfg. Co. Patent application filed Nov. 8, 1915. Granted Nov. 14, 1916. #1,204,429.

Griswold Stove Patent, 1925

Griswold Stove Patent, 1925

Inventor: J.C. Hollands. Assigned to Griswold Mfg. Co. Patent applied for Sept. 18, 1922. Granted Nov. 24, 1925. #1,563,026.



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