Grabner v. American Airlines, Inc. , 81 Ill. App. 3d 894 ( 1980 )
Gus T. Handge & Son Painting Co. v. Industrial Commission , 33 Ill. 2d 201 ( 1965 )
Johns-Manville Products Corp. v. Industrial Commission , 78 Ill. 2d 171 ( 1979 )