KEITHLEY INSTRUMENTS INC of SOLON, OH filed a DEF 14A with the SEC on 2009-12-29. Industry: Instruments For Meas & Testing of Electricity & Elec Signals.
| Seq | Type | Description |
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| 1 | DEF 14A | FORM DEF 14A |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| 5 | GRAPHIC | GRAPHIC |
| 6 | GRAPHIC | GRAPHIC |
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| 9 | GRAPHIC | GRAPHIC |
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| 12 | GRAPHIC | GRAPHIC |
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| 14 | GRAPHIC | GRAPHIC |
Showing 12 of 28 filings.
| Filed | Form |
|---|---|
| 2010-11-16 | DEFA14A |
| 2010-11-04 | DEFA14A |
| 2010-10-28 | DEFA14A |
| 2010-10-25 | DEFA14A |
| 2010-10-25 | DEFM14A |
| 2010-10-08 | PREM14A |
| 2010-09-29 | DEFA14A |
| 2009-12-29 | DEF 14A |
| 2008-12-31 | DEF 14A |
| 2007-12-28 | DEF 14A |
| 2007-12-12 | PRE 14A |
| 2007-01-04 | DEF 14A |