$PFO SEC Filings

Filing Filed On
SC 13G/A 10 Apr 2012
SC 13G/A 14 Feb 2012
SC 13G/A 17 Feb 2011
SC 13G/A 16 Feb 2010
FLAHERTY & CRUMRINE PREFERRED INCOME OPPORTUNITY FUND INC 13GA1 09 Apr 2009
FORM SC 13G/A 17 Feb 2009