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

Tag: Matthew Griswold

The Griswold “Burglar Alarm”

The Griswold “Burglar Alarm”

Griswold made much more than just a line of cookware. Did you know that Griswold also made, and held the patent for, a burglar Alarm? I didn’t think so. Inventors John Harvey and David Shields, assigned to Matthew Griswold. Application March 1, 1893. Patent granted […]

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 (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.

SocketSupportSadIronPatent
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 Tumbling Machine Patent, 1902

Griswold Tumbling Machine Patent, 1902

Inventor: Matthew Griswold, Jr.  Patent application filed July 11, 1901. Granted Mar. 11, 1902. #695,102.


Subscribe

Subscribe to our list to be notified when new posts hit the blog.

Thank you for subscribing!

Whoa Nelly! Something is amiss; try again.

Send this to a friend