11. 10717. Adulteration of rye hardtack. U. S. v. Ralston Purina Co. (Ry-Krisp Division of Ralston Purina Co.) and George W. Hans. Pleas of guilty. Corporation fined $1,000; individual fined $250. Defendants: Ralston Purina Co., a corporation, trading as Ry-Krisp Division of Ralston Purina Co. at Minneapolis, Minn., and George W. Hans, superintendent of the manufacturing plant of the corporation Issue Dates: March 1948