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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000315066-99-001499
Filing Date
1999-09-10
Accepted
1999-09-10 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G - 09-10-99 - TOLLGRADE COMMUNICATIONS SC 13G/A 7861
  Complete submission text file 0000315066-99-001499.txt   9724
Mailing Address 82 DEVONSHIRE STREET BOSTON MA 02109
Business Address 82 DEVONSHIRE ST BOSTON MA 02109 6175706339
FMR CORP (Filed by) CIK: 0000315066 (see all company filings)

IRS No.: 161144965 | State of Incorp.: MA | Fiscal Year End: 1231
SIC: 0000

Mailing Address
Business Address 493 NIXON RD CHESWICK PA 15024 4122742156
TOLLGRADE COMMUNICATIONS INC \PA\ (Subject) CIK: 0001002531 (see all company filings)

IRS No.: 251537134 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-50381 | Film No.: 99709818
SIC: 7385 Services-Telephone Interconnect Systems