Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0001008322-10-000002
Filing Date
2010-02-10
Accepted
2010-02-10 12:58:57
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G tsw13gasei123109.txt SC 13G 12112
  Complete submission text file 0001008322-10-000002.txt   14200
Mailing Address C/O AS&E 829 MIDDLESEX TURNPIKE BILLERICA MA 01821
Business Address C/O AS&E 829 MIDDLESEX TURNPIKE BILLERICA MA 01821 9782628700
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.: 10587130
SIC: 3844 X-Ray Apparatus & Tubes & Related Irradiation Apparatus

Mailing Address 6806 PARAGON PLACE, SUITE 300 PO BOX 6883 RICHMOND VA 23230
Business Address P.O. BOX 6883 RICHMOND VA 23230 8043534500
THOMPSON SIEGEL & WALMSLEY LLC (Filed by) CIK: 0001008322 (see all company filings)

EIN.: 540854396 | State of Incorp.: VA | Fiscal Year End: 1231
Type: SC 13G