John Harvey Kellogg and in 1898 released the first batch of Sanitas Toasted Corn Flakes. A modified version with a longer shelf life was released in 1902. By that time, both "Granose Biscuits" and "Granose Flakes" were available. Will Kellogg continued to develop and market flaked cereal. When he proposed adding sugar to the flakes, John would not agree to the change. So, in 1906, Will started his own company, the Battle Creek Toasted Corn Flake Company. This marked the start of a decades-long feud between the brothers. Will's Battle Creek Toasted Corn Flake Company would eventually became the Kellogg Company, while John
Kellogg Co. v. National Biscuit Co. a sample and commented that they were like "eating a whisk broom." Nevertheless, the cereal became successful, and Perky's company, the Shredded Wheat Company, continued to manufacture the product after he retired. The Kellogg Company started manufacturing shredded wheat cereal in 1912 after Perky's patents expired; after the Shredded Wheat Company objected, Kellogg stopped manufacturing their version in 1919. The nature of the settlement is not clear. In 1927, the Kellogg Company resumed manufacturing shredded wheat, prompting a lawsuit from the Shredded Wheat Company; the lawsuit was settled. In 1930, the Shredded Wheat Company was acquired by the National Biscuit