Startseite > PresseMitteilungen > PressePortale > 217 ninth street pittsburgh pa Pressemitteilungen aus der Region 217 ninth street pittsburgh paUnterkategorienPresseMitteilungen aus der Region 217 ninth street pittsburgh pa InventHelp Client Patents “Security Max” - Invention Could Prevent Theft of a License Plate01.05.2013: Pittsburgh, PA - InventHelp®, America’s largest inventor service company, announces that one of its clients, an inventor from California, has desig ...