Products liability doctrine holds a manufacturer, or other party involved in selling a product, strictly liable when an article, placed into the market with knowledge that it is to be used without inspection for defects, proves to have a defect that causes a personal injury. Consumers who are injured because of a fault with a product that the consumers had no ability to protect themselves against may recover against the manufacturer under a theory of products liability.
Ulen is a city in Clay County, Minnesota, United States, along the South Branch of the Wild Rice River. The population was 532 at the 2000 census. Near this small community, what is believed to be an authentic Viking sword was found in a field. The sword is currently on display in a museum. See Ulen sword for more detailed information.