0001193125-08-201733 DEF 14A 2 20081107 20080926 20080926 20080926 II-VI INC 0000820318 3827 251214948 PA 0630 DEF 14A 34 000-16195 081090022 375 SAXONBURG BLVD SAXONBURG PA 16056 724-352-4455 375 SAXONBURG BLVD SAXONBURG PA 16056 DEF 14A 1 ddef14a.htm NOTICE & PROXY GRAPHIC 2 g44931g09q83.jpg GRAPHIC