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

Tag: Electric

Griswold Method of Forming Electric Heater Plates Patent, 1930

Griswold Method of Forming Electric Heater Plates Patent, 1930

Inventor: L. McKinney. Assigned to Griswold Mfg. Co. Applied for May 9, 1928. Patent granted Oct. 21, 1930. #1,778,808.

Griswold Electric Oven Patent, 1936

Griswold Electric Oven Patent, 1936

Inventor: C.R. Anderson. Assigned to Griswold Mfg. Co. Applied for May 19, 1932. Patent granted April 7, 1936. #2,036,183.

Griswold Electric Cooking Utensil Patent, 1928

Griswold Electric Cooking Utensil Patent, 1928

Inventor Bernard M. Fromknecht, Assigned to Griswold Mfg. Co. Patent applied for Dec. 2, 1926, Granted Nov. 20, 1928. #1,692,644.

Griswold Electric Heater Patent, 1930

Griswold Electric Heater Patent, 1930

Inventor L. McKinney. Assigned to Griswold Mfg. Co. Patent applied for May 9, 1928. Granted Oct. 21, 1930. # 1,778,807.


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