Velcro
Swiss electrical engineer George de Mestral invented his first touch fastener when, in 1941, he went for a walk in the woods and wondered why Burdock seeds clung to his coat and dog. He discovered it could be turned into something useful. He patented it in 1955 and subsequently refined and developed its practical manufacture until its commercial introduction in the late 1950s.
Allen B. Wilson
Allen Benjamin Wilson (1824–1888) was an American inventor famous for designing, building and patenting some of the first successful sewing machines. He invented both the "vibrating" and the "rotating" shuttle designs which, in turns, dominated all home lockstitch sewing machines. With various partners in the 19th century he manufactured reliable sewing machines using the latter shuttle type.