Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000909012-09-000346
Filing Date
2009-02-17
Accepted
2009-02-17 14:45:06
Documents
1

Document Format Files

Seq Description Document Type Size
1 t305068.txt SC 13G/A 8403
  Complete submission text file 0000909012-09-000346.txt   10369
Mailing Address
Business Address 28775 AURORA RD SOLON OH 44139 2162480400
KEITHLEY INSTRUMENTS INC (Subject) CIK: 0000054991 (see all company filings)

EIN.: 340794417 | State of Incorp.: OH | Fiscal Year End: 0930
Type: SC 13G/A | Act: 34 | File No.: 005-37166 | Film No.: 09610731
SIC: 3825 Instruments For Meas & Testing of Electricity & Elec Signals

Mailing Address 2049 CENTURY PARK EAST 18TH FLOOR LOS ANGELES CA 90067
Business Address 2049 CENTURY PARK EAST 18TH FLOOR LOS ANGELES CA 90067 (310) 552-5114
NWQ INVESTMENT MANAGEMENT CO LLC (Filed by) CIK: 0000763848 (see all company filings)

EIN.: 470875103 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A