IONICS INC of WATERTOWN, MA filed a DEF 14A with the SEC on 2000-03-29. Industry: Special Industry Machinery, NEC.
Showing 12 of 22 filings.
| Filed | Form |
|---|---|
| 2005-01-27 | DEFM14A |
| 2005-01-14 | PRER14A |
| 2004-12-22 | PREM14A |
| 2004-11-24 | PRE 14A |
| 2004-03-31 | DEF 14A |
| 2004-01-15 | DEFA14A |
| 2004-01-09 | DEFM14A |
| 2003-12-24 | PREM14A |
| 2003-11-26 | DEFA14A |
| 2003-11-19 | DEFA14A |
| 2003-04-09 | DEFR14A |
| 2003-04-09 | DEF 14A |