Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000950123-10-097382
Filing Date
2010-10-28
Accepted
2010-10-28 15:28:25
Documents
4
Effectiveness Date
2010-10-28

Document Format Files

Seq Description Document Type Size
1 DEFA14A l40849edefa14a.htm DEFA14A 54720
2 GRAPHIC l40849el4084922.gif GRAPHIC 6716
3 GRAPHIC l40849el4084920.gif GRAPHIC 82767
4 GRAPHIC l40849el4084921.gif GRAPHIC 82694
  Complete submission text file 0000950123-10-097382.txt   293712
Mailing Address
Business Address 28775 AURORA RD SOLON OH 44139 2162480400
KEITHLEY INSTRUMENTS INC (Filer) CIK: 0000054991 (see all company filings)

EIN.: 340794417 | State of Incorp.: OH | Fiscal Year End: 0930
Type: DEFA14A | Act: 34 | File No.: 001-09965 | Film No.: 101147890
SIC: 3825 Instruments For Meas & Testing of Electricity & Elec Signals