0000950129-01-500775 10-Q 2 20010331 20010515 BAKER HUGHES INC 0000808362 3533 760207995 DE 1231 10-Q 34 001-09397 1635903 3900 ESSEX LANE HOUSTON TX 77027 7134398600 3900 ESSEX LAND HOUSTON TX 77210 10-Q 1 h87207e10-q.txt BAKER HUGHES INCORPORATED - DATED MARCH 31, 2001 EX-3.1 2 h87207ex3-1.txt BYLAWS - APRIL 25, 2001