SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0001140361-12-008655
Form type: SC 13G
Filer: LUFKIN INDUSTRIES INC
CIK: CIK 60849
Filed: Feb 15, 2012
Reporting period: Dec 31, 2011
Description: Passive 5%+ stake

Documents

0001140361-12-008655-index.htm

Complete submission

0001140361-12-008655.txt

directory listing

Filed by

LUFKIN INDUSTRIES INC