$PTN
Market Cap:
$PTN SEC Filings
| Filing | Filed On |
|---|---|
| SPANA 06/30/01 | 14 Aug 2001 |
| WILLS JULY 2001 | 10 Aug 2001 |
| SPANA JULY 2001 | 10 Aug 2001 |
| PRESS RELEASE DATED JUNE 4, 2001 | 05 Jun 2001 |
| PRESS RELEASE DATED JUNE 1, 2001 | 01 Jun 2001 |
| MARCH 31, 2001 | 15 May 2001 |
| PRESS RELEASE DATED MAY 2, 2001 | 02 May 2001 |
| PROSPECTUS DATED FEBRUARY 16, 2001 | 20 Feb 2001 |
| QUARTERLY REPORT FOR THE SIX MONTHS ENDED 12/31/00 | 14 Feb 2001 |
| AMENDMENT NO. 1 TO SCHEDULE 13G | 14 Feb 2001 |
| REGISTRATION STATEMENT ON FORM S-3 | 02 Feb 2001 |
| PROSPECTUS DATED DECEMBER 29, 2000 | 05 Jan 2001 |
| REGISTRATION STATEMENT ON FORM S-3 | 18 Dec 2000 |
| QUARTERLY REPORT FOR THREE MONTHS ENDED 09/30/00 | 14 Nov 2000 |
| 2000 ANNUAL MEETING PROXY STATEMENT | 19 Oct 2000 |
| ANNUAL REPORT FOR THE YEAR ENDED JUNE 30, 2000 | 03 Oct 2000 |
| REPORT ON FORM 8-K DATED SEPTEMBER 19, 2000 | 21 Sep 2000 |
| FORM 5 FOR STEPHEN T. WILLS | 14 Aug 2000 |
| FORM 5 FOR CARL SPANA, PH.D. | 14 Aug 2000 |
| FORM 5 FOR CHARLES L. PUTNAM | 14 Aug 2000 |
