Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000898430-04-000920
Filing Date
2004-02-06
Accepted
2004-02-06 08:43:55
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC 13G/A rrd022.htm SC 13G/A 79545
  Complete submission text file 0000898430-04-000920.txt   81462
Mailing Address
Business Address 65 GROVE ST WATERTOWN MA 02172 6179262500
IONICS INC (Subject) CIK: 0000052466 (see all company filings)

EIN.: 042068530 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-11045 | Film No.: 04571622
SIC: 3559 Special Industry Machinery, NEC

Mailing Address 1299 OCEAN AVENUE 11TH FLOOR SANTA MONICA CA 90401
Business Address 1299 OCEAN AVE 11TH FLOOR SANTA MONICA CA 90401 3103958005
DIMENSIONAL FUND ADVISORS INC (Filed by) CIK: 0000354204 (see all company filings)

EIN.: 22370029 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 0000