Mezue ahịrịokwu na-esonụ: The McRoskey Mattress Company bụ ụlọ ọrụ na-eme akwa akwa nke e hiwere na San Francisco, CA. E guzobere ya site n'aka ụmụnne abụọ na Ọktoba 1899, ọ nọwo na-azụ ahịa na-aga n'ihu kemgbe ahụ, gụnyere n'oge nsogbu nke
Ala ọma jijiji mere na San Fransisko n'afọ 1906. Ụlọ ọrụ ahụ na-arụ ọrụ site na "ụlọ ngosi ngosi ha" na 1687 Market St. na San Francisco.