FAIRFIELD, Conn.--(BUSINESS WIRE)--The Board of Directors of Acme United Corporation (NYSE MKT: ACU) declared a cash dividend of 9 cents per share on its outstanding common stock. The dividend is payable on October 22, 2015 to stockholders of record on the close of business on October 1, 2015. ACME UNITED CORPORATION is an innovative supplier of cutting devices, measuring instruments, and safety products for school, home, office, hardware and industrial use. Its leading brands include Westcott®