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Filing Detail
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000909012-10-000095
Filing Date
2010-02-12
Accepted
2010-02-12 14:55:22
Documents
1

Document Format Files

Seq Description Document Type Size
1 t305784.txt SC 13G/A 8017
  Complete submission text file 0000909012-10-000095.txt   9983
Mailing Address
Business Address 28775 AURORA RD SOLON OH 44139 2162480400
KEITHLEY INSTRUMENTS INC (Subject) CIK: 0000054991 (see all company filings)

IRS No.: 340794417 | State of Incorp.: OH | Fiscal Year End: 0930
Type: SC 13G/A | Act: 34 | File No.: 005-37166 | Film No.: 10598152
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)

IRS No.: 470875103 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A