Form SC 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0000950123-10-033682
Filing Date
2010-04-09
Accepted
2010-04-09 17:22:29
Documents
3
Group Members
JOSEPH P. KEITHLEYKEITHLEY INVESTMENT CO. LIMITED PARTNERSHIP

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13D/A c99051sc13dza.htm SC 13D/A 44166
2 EXHIBIT 1 c99051exv99w1.htm EX-99.1 2394
3 EXHIBIT 99.2 c99051exv99w2.htm EX-99.2 34438
  Complete submission text file 0000950123-10-033682.txt   82778
Mailing Address
Business Address 28775 AURORA RD SOLON OH 44139 2162480400
KEITHLEY INSTRUMENTS INC (Subject) CIK: 0000054991 (see all company filings)

EIN.: 340794417 | State of Incorp.: OH | Fiscal Year End: 0930
Type: SC 13D/A | Act: 34 | File No.: 005-37166 | Film No.: 10743329
SIC: 3825 Instruments For Meas & Testing of Electricity & Elec Signals

Mailing Address NORDSON CORP 28601 CLEMENS RD WESTLAKE OH 44145
Business Address
KEITHLEY JOSEPH P (Filed by) CIK: 0001073329 (see all company filings)

State of Incorp.: OH | Fiscal Year End: 1231
Type: SC 13D/A
SIC: 0000