Luggage carriers – light-weight wheeled carts or harnesses on which luggage could be temporarily placed or that can be temporarily attached to luggage – date at least to the 1930s, such as in US patent 2,132,316 "Luggage carrier" by Anne W. Newton (filed 1937, published 1938). These were refined over the following decades, as reflected in patents such as US patent US2509575A by Herbert Ernest Mingo - Device for the handling of trunks, suitcases, and the like. ( Filed 1948 published Device for the handling of trunks, suitcases, and the like)