Dee ihe na-aga n'ihu maka paragraf a - Ụlọ ọrụ McRoskey Mattress bụ ụlọ ọrụ na-eme akwa akwa nke e hiwere na San Francisco, CA. N'ịbụ nke ụmụnne abụọ guzobere n'October 1899, ọ nọwo na-azụ ahịa n'esepụghị aka kemgbe ahụ, gụnyere n'oge ala ọma jijiji nke San Francisco
nke 1906. Ụlọ ọrụ ahụ na-arụ ọrụ site na "ụlọ ngosi ngosi ha" na 1687 Market St. na San Francisco.