Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001241460-04-000001
Filing Date
2004-05-20
Accepted
2004-05-20 19:22:44
Documents
1
Period of Report
2004-05-19

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgardoc.html 4  
1 PRIMARY DOCUMENT edgardoc.xml 4 3536
  Complete submission text file 0001241460-04-000001.txt   5319
Mailing Address
Business Address 2800 BAYVIEW DR FREMONT CA 94538 5106575900
MATTSON TECHNOLOGY INC (Issuer) CIK: 0000928421 (see all company filings)

EIN.: 770208119 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 3559 Special Industry Machinery, NEC

Mailing Address STEAG AG RUETTEENSCHEIDER STR 1-3 45 128 ESSEN GERMANY 2M 00000
Business Address STEAG AG RUETTEENSCHEIDER STR 1-3 45 128 ESSEN GERMANY 2M 00000 492018012246
MELCHIOR JOCHEN (Reporting) CIK: 0001241460 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-24838 | Film No.: 04822481