 In September 1958, they were hired by the Melroe brothers at Melroe Manufacturing Company in Gwinner, North Dakota, which was later to become Bobcat Company.Using the brothers' design, Melroe introduced the M60 Self-Propelled Loader and, in 1960, Louis added a rear drive axle, resulting in the M400 model, the world's first true skid-steer loader.1957 Laser

A laser is a device that emits electromagnetic radiation through a process called stimulated emission.