 In 1909 a new factory was built in Wichita, Kansas, and in 1919 a second factory was built in Buffalo.The Wichita factory was closed after Hyde's death in 1935 and the corporate offices were moved to Wilmington, Delaware, in 1937 and later to Buffalo in 1945.The products of the company spread to Japan through the missionary work of the American, William Merrell Vories.