$PTN SEC Filings

Filing Filed On
10-Q 12 May 2010
DEF 14A 07 Apr 2010
PRIMARY DOCUMENT 29 Mar 2010
PRIMARY DOCUMENT 29 Mar 2010
PRIMARY DOCUMENT 29 Mar 2010
PRE 14A 22 Mar 2010
8-K 01 Mar 2010
424B5 26 Feb 2010
8-K 16 Feb 2010
10-Q 16 Feb 2010
SC 13G/A 11 Jan 2010
PRIMARY DOCUMENT 05 Jan 2010
PRIMARY DOCUMENT 05 Jan 2010
PRIMARY DOCUMENT 05 Jan 2010
CT ORDER 17 Dec 2009
S-8 17 Nov 2009
8-K 16 Nov 2009
10-Q 13 Nov 2009
SCHEDULE 13G 10 Nov 2009
8-K 29 Sep 2009