0000032878-04-000053 3 1 20040420 20040426 KETELHUT WILLIAM J 0001288218 3 34 001-08403 04753899 C/O ENERGY CONVERSION DEVICES INC 2956 WATERVIEW DR ROCHESTER HILLS MI 48309 ENERGY CONVERSION DEVICES INC 0000032878 3690 381749884 DE 0630 2956 WATERVIEW DRIVE ROCHESTER HILLS MI 48309 248-293-0440 ENERGY CONVERSION LABORATORIES INC 19710603 3 1 edgardoc.xml PRIMARY DOCUMENT