$PTN SEC Filings

Filing Filed On
SCHEDULE 13G AMENDMENT NO. 2 12 Feb 2007
8-K 12 Feb 2007
10-Q 08 Feb 2007
8-K 02 Feb 2007
8-K 13 Nov 2006
10-Q 09 Nov 2006
8-K 06 Nov 2006
SUPPLEMENT TO PROSPECTUS DATED DECEMBER 27, 2001 01 Nov 2006
ANNUAL MEETING 2006 30 Oct 2006
PRIMARY DOCUMENT 11 Oct 2006
PRIMARY DOCUMENT 11 Oct 2006
PRIMARY DOCUMENT 11 Oct 2006
DATED OCTOBER 6, 2006 11 Oct 2006
PRIMARY DOCUMENT 21 Sep 2006
8-K 21 Sep 2006
10-K 13 Sep 2006
8-K 13 Sep 2006
8-K 07 Jul 2006
PRIMARY DOCUMENT 05 Jul 2006
PRIMARY DOCUMENT 05 Jul 2006