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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000354204-11-000877
Filing Date
2011-02-11
Accepted
2011-02-11 13:46:11
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G rrd200.htm SC 13G/A 50170
  Complete submission text file 0000354204-11-000877.txt   52218
Mailing Address 213 MAIN STREET P O BOX 777 HECTOR MN 55342
Business Address 213 S MAIN ST HECTOR MN 55342 3208486231
COMMUNICATIONS SYSTEMS INC (Subject) CIK: 0000022701 (see all company filings)

IRS No.: 410957999 | State of Incorp.: MN | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-33776 | Film No.: 11597214
SIC: 3661 Telephone & Telegraph Apparatus

Mailing Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746
Business Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746 (512) 306-7400
DIMENSIONAL FUND ADVISORS LP (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 222370029 | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000