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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000902219-97-000001
Filing Date
1997-01-10
Accepted
1997-01-10 00:00:00
Documents
1
SROs
NASD

Document Format Files

Seq Description Document Type Size
1 13G FILING SC 13G 5129
  Complete submission text file 0000902219-97-000001.txt   7152
Mailing Address 12300 PARC CREST DR STAFFORD TX 77477
Business Address 12300 PARC CREST DR STAFFORD TX 77477 7132402200
INPUT OUTPUT INC (Subject) CIK: 0000866609 (see all company filings)

IRS No.: 222286646 | State of Incorp.: DE | Fiscal Year End: 0531
Type: SC 13G | Act: 34 | File No.: 005-41602 | Film No.: 97503687
SIC: 3829 Measuring & Controlling Devices, NEC

Mailing Address 75 STATE STREET BOSTON MA 02109
Business Address 75 STATE STREET BOSTON MA 02109 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
SIC: 0000