Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000906304-11-000152
Filing Date
2011-01-14
Accepted
2011-01-14 13:36:38
Documents
1

Document Format Files

Seq Description Document Type Size
1 mksi4.txt SC 13G/A 6337
  Complete submission text file 0000906304-11-000152.txt   8429
Mailing Address 745 FIFTH AVENUE NEW YORK NY 10151
Business Address 745 FIFTH AVENUE NEW YORK NY 10151 212-508-4500
ROYCE & ASSOCIATES LLC (Filed by) CIK: 0000906304 (see all company filings)

EIN.: 522343049 | State of Incorp.: DE | Fiscal Year End: 0331
Type: SC 13G/A

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 (Subject) CIK: 0001049502 (see all company filings)

EIN.: 042277512 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-58011 | Film No.: 11529703
SIC: 3823 Industrial Instruments For Measurement, Display, and Control