Oscar Hartzell died in 1943.
Oscar Hurtado died in 1977.
Oscar Cristi died in 1965.
Oscar Soldati died in 1982, in Argentina.
Oscar Westover died on 1938-09-21.
George Oscar Dawson died in 1865.
Oscar Hartzell was born in 1876.
William Hartzell died in 1903.
Curt Hartzell died in 1975.
Joseph Crane Hartzell died in 1929.
Roy Hartzell died on 1961-11-06.
Hartzell Spence died on May 9, 2001, in Essex, Connecticut, USA.
Clarence Hartzell died on March 5, 1988, in Bella Vista, Arkansas, USA.
Roy Hartzell died November 6, 1961, in Golden, CO, USA.
Hartzell Spence's birth name is Spence, John Hartzell.
Hartzell Propeller was created in 1917.
William Hartzell was born in 1837.
Curt Hartzell was born in 1891.