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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001164710-04-000031
Filing Date
2004-02-18
Accepted
2004-02-18 08:56:13
Documents
1
Period of Report
2004-02-13

Document Format Files

Seq Description Document Type Size
1 cass-form4_ex.html 4  
1 cass-form4_ex.xml 4 6777
  Complete submission text file 0001164710-04-000031.txt   8825
Mailing Address 16020 INDUSTRIAL DRIVE GAITHERSBURG MD 20877
Business Address 16020 INDUSTRIAL DR GAITHERSBURG MD 20877 3019848000
IGEN INTERNATIONAL INC /DE (Issuer) CIK: 0000916304 (see all company filings)

IRS No.: 942852543 | State of Incorp.: DE | Fiscal Year End: 0331
SIC: 6794 Patent Owners & Lessors

Mailing Address C/O 16020 INDUSTRIAL DRIVE GAITHERSBURG MD 20877
Business Address C/O 16020 INDUSTRIAL DR GAITHERSBURG MD 20877 3019848000
CASS RICHARD W (Reporting) CIK: 0001118960 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 0331
Type: 4 | Act: 34 | File No.: 000-23252 | Film No.: 04611810
SIC: 6794 Patent Owners & Lessors