Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000950123-10-090105
Filing Date
2010-09-29
Accepted
2010-09-29 17:00:59
Documents
6
Effectiveness Date
2010-09-29

Document Format Files

Seq Description Document Type Size
1 FORM 8-K l40783e8vk.htm DEFA14A 31204
2 EX-2.1 l40783exv2w1.htm EX-2.1 300453
3 EX-10.1 l40783exv10w1.htm EX-10.1 41168
4 EX-10.2 l40783exv10w2.htm EX-10.2 68070
5 EX-99.1 l40783exv99w1.htm EX-99.1 13174
6 GRAPHIC l40783l4078301.gif GRAPHIC 1378
  Complete submission text file 0000950123-10-090105.txt   457431
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.: 101097145
SIC: 3825 Instruments For Meas & Testing of Electricity & Elec Signals