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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001144204-18-058904
Filing Date
2018-11-13
Accepted
2018-11-13 06:15:30
Documents
2
Effectiveness Date
2018-11-13

Document Format Files

Seq Description Document Type Size
1 DEFA14A tv506962_defa14a.htm DEFA14A 25932
2 GRAPHIC image_001.jpg GRAPHIC 5383
  Complete submission text file 0001144204-18-058904.txt   34515
Mailing Address 12870 INTERURBAN AVENUE SOUTH SEATTLE WA 98168
Business Address 12870 INTERURBAN AVENUE SOUTH SEATTLE WA 98168 (206) 673-4848
CLEARSIGN COMBUSTION CORP (Filer) CIK: 0001434524 (see all company filings)

IRS No.: 000000000 | State of Incorp.: WA | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-35521 | Film No.: 181174742
SIC: 3823 Industrial Instruments For Measurement, Display, and Control