Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000927016-98-000299
Filing Date
1998-01-29
Accepted
1998-01-29 00:00:00
Documents
1
SROs
NASD

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A SC 13G/A 18885
  Complete submission text file 0000927016-98-000299.txt   20701
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

Mailing Address 8 ERIE DR NATICK MA 01760
Business Address 100 CROSSING BLVD FRAMINGHAM MA 01702 5086501300
NATURAL MICROSYSTEMS CORP (Subject) CIK: 0000915866 (see all company filings)

EIN.: 042814586 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-43813 | Film No.: 98516704
SIC: 3661 Telephone & Telegraph Apparatus