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

$PTN SEC Filings

Filing Filed On
DATED OCTOBER 31, 2002 27 Dec 2002
PROSPECTUS DATED DECEMBER 27, 2001 09 Jan 2002
PROSPECTUS DATED FEBRUARY 16, 2001 20 Feb 2001
PROSPECTUS DATED DECEMBER 29, 2000 05 Jan 2001
PROSPECTUS PER RULE 424(B)(3) 20 Oct 1998
PROSPECTUS PER RULE 424(B)(3) 16 Dec 1997