Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000315066-08-001268
Filing Date
2008-02-14
Accepted
2008-02-14 16:14:15
Documents
1

Document Format Files

Seq Description Document Type Size
1 DOC ONE filing.txt SC 13G 6589
  Complete submission text file 0000315066-08-001268.txt   8547
Mailing Address 82 DEVONSHIRE STREET BOSTON MA 02109
Business Address 82 DEVONSHIRE ST BOSTON MA 02109 6175706339
FMR LLC (Filed by) CIK: 0000315066 (see all company filings)

EIN.: 061209781 | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000

Mailing Address 25 SAWYER PASSWAY FITCHBURG MA 01420
Business Address 25 SAWYER PASSWAY FITCHBURG MA 01420 978-345-5000
ARRHYTHMIA RESEARCH TECHNOLOGY INC /DE/ (Subject) CIK: 0000819689 (see all company filings)

EIN.: 720925679 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-40548 | Film No.: 08615821
SIC: 3845 Electromedical & Electrotherapeutic Apparatus