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Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0000950123-10-022971
Filing Date
2010-03-10
Accepted
2010-03-10 14:33:55
Documents
2
Period of Report
2010-05-03
Effectiveness Date
2010-03-10

Document Format Files

Seq Description Document Type Size
1 DEF 14A b79904def14a.htm DEF 14A 563478
2 GRAPHIC b79904b7990400.gif GRAPHIC 1734
  Complete submission text file 0000950123-10-022971.txt   567496
Mailing Address 2 TECH DRIVE SUITE 201 ANDOVER MA 01810
Business Address 2 TECH DRIVE SUITE 201 ANDOVER MA 01810 978-645-5500
MKS INSTRUMENTS INC (Filer) CIK: 0001049502 (see all company filings)

IRS No.: 042277512 | State of Incorp.: MA | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 000-23621 | Film No.: 10670064
SIC: 3823 Industrial Instruments For Measurement, Display, and Control