Filing

SC 13G

SC 13G

0000912057-02-015508·ION GEOPHYSICAL CORP

Filing metadata

Accession number: 0000912057-02-015508
Form type: SC 13G
Filer: ION GEOPHYSICAL CORP
CIK: CIK 866609
Filed: Apr 17, 2002
Reporting period: —
Description: Passive 5%+ stake

Documents

0000912057-02-015508-index.htm

Complete submission

0000912057-02-015508.txt

directory listing

Filed by

ION GEOPHYSICAL CORP