0000032878-02-000008 10-Q 1 20011231 20020214 ENERGY CONVERSION DEVICES INC 0000032878 3690 381749884 DE 0630 10-Q 34 001-08403 02548014 1675 W MAPLE RD TROY MI 48084 8102801900 ENERGY CONVERSION LABORATORIES INC 19710603 10-Q 1 dec10q2001.txt DECEMBER 31, 2001 10Q