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Filing Detail
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000912057-02-015508
Filing Date
2002-04-17
Accepted
2002-04-17 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 13G/A#4 a2077075zsc13ga.htm SC 13G/A 21011
  Complete submission text file 0000912057-02-015508.txt   22913
Mailing Address 225 SOUTH LAKE AVE SUITE 400 PASADENA CA 91101
Business Address 225 SOUTH LAKE AVE STE 400 PASADENA CA 91101-3005 8183049222
PRIMECAP MANAGEMENT CO/CA/ (Filed by) CIK: 0000763212 (see all company filings)

IRS No.: 953868081

Mailing Address 11104 W AIRPORT BLVD SUITE 200 STAFFORD TX 77477
Business Address 11104 W AIRPORT BLVD SUITE 200 STAFFORD TX 77477 2819333339
INPUT OUTPUT INC (Subject) CIK: 0000866609 (see all company filings)

IRS No.: 222286646 | State of Incorp.: DE | Fiscal Year End: 0531
Type: SC 13G/A | Act: 34 | File No.: 005-41602 | Film No.: 02613909
SIC: 3829 Measuring & Controlling Devices, NEC