Food Machinery Corporation (Riverside, Calif.)

Business rivals, Stebler and Parker filed numerous patent infringement cases against the other, and against other competitors. Upon the advice of banker W.B. Clancy, and based on economic necessity, the two merged in 1920 to form the Stebler-Parker Company, which produced the packing and handling machines at Stebler's plant. Parker continued at his factory with his mailing devices and wire-tyeing machines.

During the 1920's, a third competitior entered the business. Hale Paxton developed a mailing machine that was faster, lighter, and could be easily transported to the fields, unlike Parker's machine.

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