Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000927016-02-000178
Filing Date
2002-01-10
Accepted
2002-01-10 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 FORM SC 13G dsc13g.txt SC 13G 18750
  Complete submission text file 0000927016-02-000178.txt   20679
Mailing Address 40 ERIE STREET 829 MIDDLESEX TURNPIKE BILLERICA MA 01821
Business Address 829 MIDDLESEX TURNPIKE 40 ERIE STREET BILLERICA MA 01821 9782629700
AMERICAN SCIENCE & ENGINEERING INC (Subject) CIK: 0000005768 (see all company filings)

EIN.: 042240991 | State of Incorp.: MA | Fiscal Year End: 0331
Type: SC 13G | Act: 34 | File No.: 005-17564 | Film No.: 2506153
SIC: 3844 X-Ray Apparatus & Tubes & Related Irradiation Apparatus

Mailing Address
Business Address 125 HIGH STREET SOUTH BOSTON MA 02110 6174824870
ESSEX INVESTMENT MANAGEMENT CO INC (Filed by) CIK: 0000201772 (see all company filings)

EIN.: 004260191 | State of Incorp.: MA | Fiscal Year End: 1130