North Dakota Institute for Regional Studies
Institute for Regional Studies
PO Box 5599
Fargo, ND 58105-5599
0.4 linear ft.
Johnson’s papers include brochures and other papers relating to Johnson’s various inventions including an electric snow shovel; hydraulic lubricator; barrel-type grease guns; chuck couplers; and an automobile auxiliary sun visor. There are also legal papers concerning court cases on patent infringements in the Eighth Circuit Court of Appeals and the U.S. Supreme Court.