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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000950135-03-001129
Filing Date
2003-02-14
Accepted
2003-02-13 19:22:09
Documents
1
Group Members
ANN B CHRISTOPH IRACHRISTOPH SECURITIES INCRICHARD T CHRISTOPH TRUSTEE OF THE CARLA C MCMAHON TRUSTRICHARD T CHRISTOPH TRUSTEE RICHARD T CHRISTOPH LIVING TRUST

Document Format Files

Seq Description Document Type Size
1 PSYCHEMEDICA CORPORATION b45557pcsc13gza.txt SC 13G/A 22723
  Complete submission text file 0000950135-03-001129.txt   24959
Mailing Address 1280 MASSACHUSETTS AVE SUITE 200 CAMBRIDGE MA 02138
Business Address 1280 MASSACHUSETTS AVENUE SUITE 200 CAMBRIDGE MA 02138 6178687455
PSYCHEMEDICS CORP (Subject) CIK: 0000806517 (see all company filings)

IRS No.: 581701987 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-39145 | Film No.: 03562068
SIC: 8071 Services-Medical Laboratories

Mailing Address C/O CHRISTOPH SECURITIES INC 1156 LYNETTE DR P O BOX 752 LAKE FOREST IL 60045
Business Address C/O CHRISTOPH SECURITIES INC 1156 LYNETTE DR P O BOX 752 LAKE FOREST IL 60045 7082346400
CHRISTOPH RICHARD T (Filed by) CIK: 0000947766 (see all company filings)