Johnson v. Skelly Oil Co. , 359 N.W.2d 130 ( 1984 )
Economic Aero Club, Inc. v. Avemco Insurance Co. , 540 N.W.2d 644 ( 1995 )
Ewalt v. Mereen-Johnson MacHine Co. , 414 N.W.2d 28 ( 1987 )