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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000009015-10-000006
Filing Date
2010-02-12
Accepted
2010-02-12 14:26:30
Documents
1

Document Format Files

Seq Description Document Type Size
1 keithlyamendedfor2009dec.txt SC 13G/A 11397
  Complete submission text file 0000009015-10-000006.txt   13346
Mailing Address 470 ATLANTIC AVENUE 10TH FLOOR BOSTON MA 02210
Business Address 470 ATLANTIC AVENUE 10TH FLOOR BOSTON MA 02210 617-761-6662
BABSON CAPITAL MANAGEMENT LLC (Filed by) CIK: 0000009015 (see all company filings)

IRS No.: 041054788 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A

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.: 10597782
SIC: 3825 Instruments For Meas & Testing of Electricity & Elec Signals