SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000898430-06-000828
Filing Date
2006-02-06
Accepted
2006-02-06 16:24:01
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G rrd174.htm SC 13G 49507
  Complete submission text file 0000898430-06-000828.txt   51370
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
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 | Act: 34 | File No.: 005-50381 | Film No.: 06581884
SIC: 7385 Services-Telephone Interconnect Systems