Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001047469-02-001922
Filing Date
2002-02-12
Accepted
2002-02-12 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 2001 SCHEDULE 13G/A - IONICS INC doc1.txt SC 13G/A 5335
  Complete submission text file 0001047469-02-001922.txt   7238
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.: 02538120
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.: IL | Fiscal Year End: 1231
SIC: 0000