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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0000884306-01-500064
Filing Date
2001-05-08
Accepted
2001-05-08 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 mksi13g-0507.htm SC 13G 10287
  Complete submission text file 0000884306-01-500064.txt   12245
Mailing Address 7701 FRANCE AVENUE SOUTH STE 500 EDINA MN 55435
Business Address 7701 FRANCE AVENUE SOUTH STE 500 EDINA MN 55435 6128410400
KOPP INVESTMENT ADVISORS INC (Filed by) CIK: 0000884306 (see all company filings)

IRS No.: 411663810 | State of Incorp.: MN | Fiscal Year End: 1231

Mailing Address SIX SHATTUCK ROAD ANDOVER MA 01810
Business Address SIX SHATTUCK RD ANDOVER MA 01810 9789752350
MKS INSTRUMENTS INC (Subject) CIK: 0001049502 (see all company filings)

IRS No.: 042277512 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-58011 | Film No.: 1624833
SIC: 3823 Industrial Instruments For Measurement, Display, and Control