$RIVF 4 SEC Filings

Filed On	Filing
17 Jan 2012	PRIMARY DOCUMENT
10 Dec 2010	PRIMARY DOCUMENT
25 Oct 2010	PRIMARY DOCUMENT
27 Sep 2010	PRIMARY DOCUMENT
28 Jul 2010	PRIMARY DOCUMENT
07 Jun 2010	PRIMARY DOCUMENT
26 Apr 2010	PRIMARY DOCUMENT
22 Apr 2010	PRIMARY DOCUMENT
02 Apr 2010	PRIMARY DOCUMENT
01 Feb 2010	PRIMARY DOCUMENT
15 Jan 2010	PRIMARY DOCUMENT
24 Dec 2009	PRIMARY DOCUMENT
22 Dec 2009	PRIMARY DOCUMENT
02 Dec 2009	PRIMARY DOCUMENT
25 Nov 2009	PRIMARY DOCUMENT
23 Nov 2009	PRIMARY DOCUMENT
02 Nov 2009	PRIMARY DOCUMENT
29 Oct 2009	PRIMARY DOCUMENT
27 Oct 2009	PRIMARY DOCUMENT
27 Oct 2009	PRIMARY DOCUMENT