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 Interchange Occasionally Kellogg Hill is used to describe the interchange; however, most traffic reporters properly describe Kellogg Hill as the actual hill that the San Bernardino Freeway climbs between West Covina and the Kellogg Interchange. This hill is often backed up due to slow trucks, especially on the westbound side where there is no additional truck lane. The crest of the hill is near the Via Verde onramp in San Dimas. Until 2002, Interstate 210 connected with the Kellogg Interchange; that section of the 210 north of the interchange no longer exists as it has been resigned as State Route 57.