ProGreen negotiates buyback of preferred shares

BLOOMFIELD HILLS, MI–(Marketwired – Mar 20, 2017) – ProGreen US, Inc. (ProGreen), (OTCQB: PGUS), www.ProGreenUS.com, @ProGreenUS; As announced last year in the press release on March 14, 2016, ProGreen acquired a property portfolio in Michigan from,...