$CLEARSIGN COMBUSTION CORP(CLIR)$ 8-K - Current report Filed: 2017-02-14 AccNo: 0001144204-17-008965 Size: 75 KBItem 1.01: Entry into a Material Definitive AgreementItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certa 网页链接