. . . . . . . . . . . . . . . "Winfield Bertrum \"Bert\" Kinner (December 16, 1882 \u2013 July 4, 1957) was an American aircraft engine designer and designer of the first folding wing aircraft. Kinner founded Kinner Airplane & Motor Corporation in Glendale, California which produced radial engines and aircraft."@en . . . . . . . . . . . "1957-07-04"^^ . . . "Winfield Bertrum Kinner"@en . . . . . . . . . . . . . . "Bert Kinner"@en . "Winfield Bertrum Kinner"@en . . . "Aircraft and aircraft engine designer, constructor"@en . "1957-07-04"^^ . . . . "Winfield Bertrum Kinner"@en . . . "Bert Kinner"@en . "20977"^^ . . . . . . . . . . . . . "1882-12-16"^^ . . . . . . . "Winfield Bertrum \"Bert\" Kinner (December 16, 1882 \u2013 July 4, 1957) was an American aircraft engine designer and designer of the first folding wing aircraft. Kinner founded Kinner Airplane & Motor Corporation in Glendale, California which produced radial engines and aircraft."@en . . . . . "1102731608"^^ . . "Bert Kinner"@en . "Winfield Bertrum Kinner"@en . "1957"^^ . . . "American"@en . . . . . . . . "1882-12-16"^^ . . . . . . . . . . . . . . . . . . . . . . . "1882"^^ . . "Iowa, United States"@en . "7938802"^^ . . . . . "Cora Kinner"@en . . . . . .