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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000913414-07-000634
Filing Date
2007-01-18
Accepted
2007-01-18 17:17:58
Documents
1

Document Format Files

Seq Description Document Type Size
1 keithley123106.txt SC 13G/A 23441
  Complete submission text file 0000913414-07-000634.txt   25678
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.: 07538527
SIC: 3825 Instruments For Meas & Testing of Electricity & Elec Signals

Mailing Address 45 FREMONT ST SAN FRANCISCO CA 94105
Business Address 45 FREMONT ST 17TH FL SAN FRANCISCO CA 94105 4155972639
BARCLAYS GLOBAL INVESTORS NA /CA/ (Filed by) CIK: 0000913414 (see all company filings)

IRS No.: 943112180 | State of Incorp.: CA | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000