0000820318-08-000043 4 1 20080816 20080819 20080819 II-VI INC 0000820318 3827 251214948 PA 0630 375 SAXONBURG BLVD SAXONBURG PA 16056 724-352-4455 375 SAXONBURG BLVD SAXONBURG PA 16056 MARTINELLI JAMES 0001196393 4 34 000-16195 081027328 C/O II-VI INC 375 SAXONBURG BLVD SAXONBURG PA 16056 7243524455 375 SAXONBURG BLVD SAXONBURG PA 16056 4 1 primary_doc.xml PRIMARY DOCUMENT