$DUK SEC Filings

Filing Filed On
424(B)(2) 02 Jul 2013
424B2 10 Jun 2013
424B2 07 Jun 2013
424B2 29 May 2013
424B2 17 Apr 2013
424B2 03 Apr 2013
424(B)(2) 26 Mar 2013
424B2 21 Mar 2013
424B2 12 Mar 2013
424B2 09 Jan 2013
424B2 18 Dec 2012
424B2 12 Dec 2012
424B2 26 Nov 2012