0001169232-04-003967 10-Q 5 20040630 20040809 DREW INDUSTRIES INC 0000763744 3442 133250533 DE 1231 10-Q 34 001-13646 04960663 200 MAMARONECK AVE WHITE PLAINS NY 10601 9144289098 200 MAMARONECK AVE WHITE PLAINS NY 10601 10-Q 1 d60340_10q.htm QUARTERLY REPORT EX-31.1 2 d60340_ex31-1.htm CERTIFICATION EX-31.2 3 d60340_ex31-2.htm CERTIFICATION EX-32.1 4 d60340_ex32-1.htm CERTIFICATION EX-32.2 5 d60340_ex32-2.htm CERTIFICATION