SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000909012-10-000095
Form type: SC 13G
Filer: KEITHLEY INSTRUMENTS INC
CIK: CIK 54991
Filed: Feb 12, 2010
Reporting period: —
Description: Passive 5%+ stake

Documents

0000909012-10-000095-index.htm

Complete submission

0000909012-10-000095.txt

directory listing

Filed by

KEITHLEY INSTRUMENTS INC