$MAT SEC Filings

Filing Filed On
PRIMARY DOCUMENT 04 Aug 2003
PRIMARY DOCUMENT 04 Aug 2003
PRIMARY DOCUMENT 04 Aug 2003
PRIMARY DOCUMENT 04 Aug 2003
PRIMARY DOCUMENT 22 Jul 2003
PRIMARY DOCUMENT 17 Jul 2003
PRIMARY DOCUMENT 13 Jun 2003
PRIMARY DOCUMENT 13 Jun 2003