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 Switchboard & Supply Company Kellogg Switchboard & Supply Company Kellogg Switchboard & Supply Company was an American manufacturer of telecommunication equipment. Anticipating the expiration of the earliest, fundamental Bell System patents, Milo G. Kellogg, an electrical engineer, founded the company in 1897 in Chicago under the laws of the state of Illinois to produce telephone exchange switching equipment and telephone apparatus. Along with Western Electric, which supplied the Bell System, Automatic Electric supplying General Telephone, and Stromberg-Carlson, also supplying the independent telephone markets, Kellogg shared in the business of providing the bulk of the nation's telephone equipment until after World War II. Milo G.