Versa Corporation v. Ag-Bag International Limited , 392 F.3d 1325 ( 2004 )
Dayco Products, Inc. v. Total Containment, Inc. , 258 F.3d 1317 ( 2001 )
Leggett & Platt, Incorporated v. Hickory Springs Manufacturing Company , 285 F.3d 1353 ( 2002 )
KSR International Co. v. Teleflex Inc. , 127 S. Ct. 1727 ( 2007 )