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

$PTEN SEC Filings

Filing Filed On
LIVE FILING 01 May 2008
FORM 4 SUBMISSION 29 Apr 2008
FORM 4 SUBMISSION 29 Apr 2008
FORM 4 SUBMISSION 29 Apr 2008
FORM 4 SUBMISSION 29 Apr 2008
FORM 4 SUBMISSION 29 Apr 2008
DEFINITIVE PROXY STATEMENT 24 Apr 2008
FORM 4 SUBMISSION 24 Apr 2008
FORM 4 SUBMISSION 10 Apr 2008
FORM 10-K 19 Feb 2008
DOC ONE 14 Feb 2008
LIVE FILING 14 Feb 2008
SC 13G 12 Feb 2008
SC 13G 12 Feb 2008
SC 13G 06 Feb 2008
FORM 4 SUBMISSION 03 Jan 2008
MAIN DOCUMENT DESCRIPTION 03 Jan 2008
MAIN DOCUMENT DESCRIPTION 03 Jan 2008
MAIN DOCUMENT DESCRIPTION 03 Jan 2008
MAIN DOCUMENT DESCRIPTION 06 Nov 2007