SC 13D/A | 2000-05-23 | CIBA SPECIALTY CHEMICALS HOLDING INC /FI/ | 3 D SYSTEMS CORP | - | - | EDGAR |
SC 13D/A | 2000-03-13 | CLARK ESTATES INC | 3 D SYSTEMS CORP | 690,872 | 6.0% | EDGAR |
SC 13D/A | 2000-03-13 | CLARK ESTATES INC | 3 D SYSTEMS CORP | 690,872 | 6.0% | EDGAR |
SC 13D/A | 2000-03-13 | CLARK ESTATES INC | 3 D SYSTEMS CORP | 690,872 | 6.0% | EDGAR |
SC 13G | 2000-02-03 | DIMENSIONAL FUND ADVISORS INC | 3 D SYSTEMS CORP | 675,110 | 5.8% | EDGAR |
SC 13G | 2000-02-03 | DIMENSIONAL FUND ADVISORS INC | 3 D SYSTEMS CORP | 675,110 | 5.8% | EDGAR |
SC 13G | 2000-02-03 | DIMENSIONAL FUND ADVISORS INC | 3 D SYSTEMS CORP | 675,110 | 5.8% | EDGAR |