$PTEN Market Cap:
Research Board Inbox Deep Research Not Interested Shortlisted

$PTEN SEC Filings

Filing Filed On
FORM 4 SUBMISSION 04 Jan 2012
FORM 4 SUBMISSION 04 Jan 2012
FORM 4 SUBMISSION 04 Jan 2012
FORM 4 SUBMISSION 29 Dec 2011
FORM 4 SUBMISSION 29 Nov 2011
FORM 4 SUBMISSION 02 Nov 2011
FORM 4 SUBMISSION 31 Oct 2011
FORM 4 SUBMISSION 29 Sep 2011
FORM 4 SUBMISSION 29 Aug 2011
FORM 4 SUBMISSION 29 Jul 2011
FORM 4 SUBMISSION 12 Jul 2011
FORM 4 SUBMISSION 29 Jun 2011
FORM 4 SUBMISSION 10 Jun 2011
FORM 4 SUBMISSION 10 Jun 2011
FORM 4 SUBMISSION 31 May 2011
FORM 4 SUBMISSION 28 Apr 2011
FORM 4 SUBMISSION 28 Apr 2011
FORM 4 SUBMISSION 28 Apr 2011
FORM 4 SUBMISSION 28 Apr 2011
FORM 4 SUBMISSION 28 Apr 2011