$PTN
Market Cap:
$PTN SEC Filings
| Filing | Filed On |
|---|---|
| FORM 5 FOR EDWARD J. QUILTY | 07 Aug 2000 |
| SCHEDULE 13G FOR EDWARD J. QUILTY | 02 Aug 2000 |
| SCHEDULE 13D FOR CHARLES L. PUTNAM | 21 Jul 2000 |
| SCHEDULE 13D FOR CARL SPANA, PH.D. | 21 Jul 2000 |
| REPORT ON FORM 8-K DATED JUNE 14, 2000 | 21 Jun 2000 |
| QUARTERLY REPORT FOR NINE MONTHS ENDED 03/31/00 | 12 May 2000 |
| QUARTERLY REPORT FOR SIX MONTHS ENDED 12/31/99 | 14 Feb 2000 |
| FORM 4 | 10 Feb 2000 |
| STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP | 10 Jan 2000 |
| AMENDMENT NO. 1 TO ANNUAL REPORT | 28 Dec 1999 |
| REGISTRATION OF COMMON STOCK | 13 Dec 1999 |
| REPORT ON FORM 8-K | 30 Nov 1999 |
| QUARTERLY REPORT FOR THREE MONTHS ENDED 9/30/99 | 15 Nov 1999 |
| ANNUAL REPORT ON FORM 10-KSB FOR 1999 | 28 Sep 1999 |
| FORM S-3 REGISTRATION STATEMENT | 03 Aug 1999 |
| FORM 4 FOR EDWARD J. QUILTY | 09 Jul 1999 |
| AMENDMENT NO. 3 TO FORM S-3 | 02 Jul 1999 |
| AMENDMENT NO. 2 TO FORM S-3 | 16 Jun 1999 |
| STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP | 10 Jun 1999 |
| 1999 ANNUAL MEETING PROXY STATEMENT | 26 May 1999 |
