The Rockford settlement was incorporated as a village in 1839, and chartered as a city in 1852. Rockford's 20th century industry revolved around machine tools, heavy machinery, automotive, aerospace, fastener and cabinet hardware products, and packaging devices and concepts. The city's industrial background has produced many important and interesting inventions, among them the Nelson knitting machine, airbrush, electric brake, electric garage door opener, dollar bill changer, and electronic dartboard. |