<SEC-DOCUMENT>0001144204-15-017120-index.html : 20150319 <SEC-HEADER>0001144204-15-017120.hdr.sgml : 20150319 <ACCEPTANCE-DATETIME>20150319090023 ACCESSION NUMBER: 0001144204-15-017120 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150318 FILED AS OF DATE: 20150319 DATE AS OF CHANGE: 20150319 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CLEARSIGN COMBUSTION CORP CENTRAL INDEX KEY: 0001434524 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823] IRS NUMBER: 000000000 STATE OF INCORPORATION: WA BUSINESS ADDRESS: STREET 1: 12870 INTERURBAN AVENUE SOUTH CITY: SEATTLE STATE: WA ZIP: 98168 BUSINESS PHONE: (206) 673-4848 MAIL ADDRESS: STREET 1: 12870 INTERURBAN AVENUE SOUTH CITY: SEATTLE STATE: WA ZIP: 98168 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ruiz Roberto CENTRAL INDEX KEY: 0001563443 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35521 FILM NUMBER: 15711678 MAIL ADDRESS: STREET 1: 12870 INTERURBAN AVENUE SOUTH CITY: SEATTLE STATE: WA ZIP: 98168 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>v404956_4.xml <DESCRIPTION>OWNERSHIP DOCUMENT <TEXT> Document 1 - file: v404956_4.html
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