Sichenzia Ross Ference Kesner LLP Represents Oppenheimer & Co. and Feltl and Company in $13.5 Million PIPE for Midwest Energy Emissions Corp. By Sichenzia Ross Ference LLP | May 6, 2020 Midwest Energy Emissions Corp. $13,500,000 Private Placement of Common Stock Oppenheimer & Co. November 2016 Read More