$PTEN SEC Filings

Filing Filed On
FORM 4 SUBMISSION 30 Apr 2009
FORM 4 SUBMISSION 30 Apr 2009
FORM 4 SUBMISSION 30 Apr 2009
LIVE FILING 30 Apr 2009
AUTO-GENERATED PAPER DOCUMENT 17 Apr 2009
DEFA14A 16 Apr 2009
DEF 14A 16 Apr 2009
FORM 8-K 25 Mar 2009
DOC ONE 10 Mar 2009
FORM 10-K 19 Feb 2009
DOC ONE 17 Feb 2009
FORM 4 SUBMISSION 13 Feb 2009
LIVE FILING 12 Feb 2009
SC 13G 11 Feb 2009
SC 13G 05 Feb 2009
UPLOAD 12 Jan 2009
FORM 4 SUBMISSION 05 Jan 2009
FORM 4 SUBMISSION 05 Jan 2009
FORM 4 SUBMISSION 05 Jan 2009
FORM 4 SUBMISSION 05 Jan 2009