Greenwood Clean Energy, Inc., a privately-held renewable energy company developing biomass fired heating appliances, announced today that the company was awarded a 2nd U.S. Patent #9,568,214, further demonstrating the company's market leading innovation and ongoing commitment to clean air and the environment.

REDMOND, Wash. (February 14, 2017) - Greenwood Clean Energy, Inc., a privately-held renewable energy company developing innovative wood and biomass fired heating appliances, announced today that the company was awarded U.S. Patent 9,568,214.

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