Aeronautical Patents
ISSUED JUNE 4, 1918 1,268.333—To Frithrof Gustof Ericson, Toronto, Ont., Canada. Landing-gear construction of airplanes. 1,268.494—To August C. Rutzen, Cleveland, Ohio. Airship. 1,268.710—To James T. Gregory, Washington, D. C. Airplane safety device.