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Filing Detail
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000950128-02-000100
Filing Date
2002-01-24
Accepted
2002-01-24 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 TOLLGRADE COMMUNICATIONS INC., AMENDMENT NO. 1 j91889cbsc13ga.txt SC 13G/A 13751
  Complete submission text file 0000950128-02-000100.txt   15785
Mailing Address
Business Address ONE MELLON BANK CTR 500 GRANT ST PITTSBURGH PA 15258-0001 4122345000
MELLON FINANCIAL CORP (Filed by) CIK: 0000064782 (see all company filings)

IRS No.: 251233834 | State of Incorp.: PA | Fiscal Year End: 1231
SIC: 6021 National Commercial Banks

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.: 005-48972 | Film No.: 02516270
SIC: 7385 Services-Telephone Interconnect Systems