$PTN SEC Filings

Filing Filed On
DEFINITIVE PROXY STATEMENT 31 Jul 2012
PROXY STATEMENT 20 Jul 2012
PRIMARY DOCUMENT 19 Jul 2012
PRIMARY DOCUMENT 19 Jul 2012
PRIMARY DOCUMENT 19 Jul 2012
PRIMARY DOCUMENT 19 Jul 2012
PRIMARY DOCUMENT 19 Jul 2012
PRIMARY DOCUMENT 19 Jul 2012
PRIMARY DOCUMENT 19 Jul 2012
PRIMARY DOCUMENT 19 Jul 2012
PRIMARY DOCUMENT 19 Jul 2012
PRIMARY DOCUMENT 13 Jul 2012
D 13 Jul 2012
PRIMARY DOCUMENT 13 Jul 2012
SCHEDULE 13G 10 Jul 2012
CURRENT REPORT 06 Jul 2012
CURRENT REPORT 19 Jun 2012
CURRENT REPORT 08 Jun 2012
CURRENT REPORT 14 May 2012
QUARTERLY REPORT 14 May 2012