Mechanical engineer A more convenient design came from Welsh inventor and father of the mail order business model , Pryce Pryce-Jones . Tim Leatherman invented The American Ever-Ready Company . Early batteries only powered the first flashlights briefly , hence the name `` A History of the World Portuguese and Spanish sailors used ship sails to make duffle bags . Air mattresses designed as alternatives to hair-filled mattresses on Europe steamships .
Mechanical engineer Tim Leatherman invented The American Ever-Ready Company . Early batteries only powered the first flashlights briefly , hence the name `` A History of the World Portuguese and Spanish sailors used ship sails to make duffle bags . Air mattresses designed as alternatives to hair-filled mattresses on Europe steamships .