CHICAGO, Oct. 27, 2017 /PRNewswire/ --
Shareholders:
Today's additions to the www.OptimizePTC.com website include:
Growth Capitalist (https://growthcapitalist.com/2017/10/third-letter-to-shareholders-of-productivity-technologies-corp-from-jesse-levine-otc-prac/)
CHICAGO, Oct. 27, 2017 /PRNewswire/ --
Shareholders:
Today's additions to the www.OptimizePTC.com website include: