# Filing Detail

Form 424B5 - Prospectus [Rule 424(b)(5)]:
SEC Accession No. 0001144204-18-010298
Filing Date
2018-02-22
Accepted
2018-02-22 17:19:26
Documents
8

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | PRELIMINARY PROSPECTUS SUPPLEMENT | tv486668_424b5.htm | 424B5 | 460896
2 | GRAPHIC | logo_clearsign.jpg | GRAPHIC | 29428
3 | GRAPHIC | spacer.gif | GRAPHIC | 43
4 | GRAPHIC | tv486668_img-dplxreduce.jpg | GRAPHIC | 103066
5 | GRAPHIC | tv486668_img-dplxincrease.jpg | GRAPHIC | 101381
6 | GRAPHIC | tv486668_map-ozone.jpg | GRAPHIC | 118669
7 | GRAPHIC | tv486668_map-ozoneproj.jpg | GRAPHIC | 160112
8 | GRAPHIC | line.gif | GRAPHIC | 43
| Complete submission text file | 0001144204-18-010298.txt |  | 1168768

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)

EIN.: 000000000 | State of Incorp.: WA | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-208784 | Film No.: 18633585
SIC: 3823 Industrial Instruments For Measurement, Display, and Control