$CHKIF SEC Filings

Filing Filed On
FORM 6-K 24 Jan 2013
FORM 6-K 14 Jan 2013
FORM 6-K 31 Dec 2012
FORM 6-K 27 Dec 2012
FORM 6-K 06 Dec 2012
FORM 6-K 05 Dec 2012
FORM 6-K 23 Nov 2012
6-K 01 Nov 2012
FORM 6-K 29 Oct 2012
FORM 6-K 12 Oct 2012
FORM 6-K 27 Sep 2012
FORM 6-K 26 Sep 2012
FORM 6-K 25 Sep 2012
FORM 6-K 24 Sep 2012
FORM 6-K 28 Aug 2012
FORM 6-K 10 Aug 2012
FORM 6-K 03 Aug 2012
FORM 6-K 20 Jul 2012
FORM 6-K 11 Jul 2012
FORM 6-K 10 Jul 2012