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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000354204-09-001455
Filing Date
2009-02-09
Accepted
2009-02-09 13:15:24
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G rrd658.htm SC 13G/A 49973
  Complete submission text file 0000354204-09-001455.txt   51842
Mailing Address 1299 OCEAN AVENUE 11TH FLOOR SANTA MONICA CA 90401
Business Address 1299 OCEAN AVE 11TH FLOOR SANTA MONICA CA 90401 3103958005
DIMENSIONAL FUND ADVISORS INC (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 22370029 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
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.: 09580515
SIC: 7385 Services-Telephone Interconnect Systems