ClearSign Technologies announces proposed public offering of common stock

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CLEARSIGN COMB (NASDAQ: CLIR) Delayed: 4.47 -0.06 (1.32%)
Previous Close $4.53    52 Week High $6.24 
Open $4.58    52 Week Low $2.68 
Day High $4.75    P/E N/A 
Day Low $4.47    EPS $-0.60 
Volume 4,944