Schulenburg v. Signatrol, Inc. , 33 Ill. 2d 379 ( 1965 )
Syntex Ophthalmics, Inc. And Arapahoe Chemicals, Inc. v. George F. Tsuetaki, Fused Kontacts of Chicago, Inc. And Nick N. Novicky , 701 F.2d 677 ( 1983 )
MBL (USA) Corp. v. Diekman , 112 Ill. App. 3d 229 ( 1983 )