$DUK SEC Filings

Filing Filed On
8-K 29 Jun 2012
8-K 25 Jun 2012
8-K 11 Jun 2012
425 17 May 2012
425 08 May 2012
8-K 08 May 2012
425 08 May 2012
425 04 May 2012
425 04 May 2012
8-K 13 Apr 2012
8-K 26 Mar 2012
8-K 22 Feb 2012
425 22 Feb 2012
425 17 Feb 2012
425 16 Feb 2012
8-K 18 Jan 2012
8-K 09 Jan 2012
8-K 16 Dec 2011
425 05 Dec 2011
425 03 Nov 2011