InventHelp® InventHelp®Pittsburgh-based InventHelp® attempts to submit clients' inventions to companies for review.Letzte Pressemitteilungen InventHelp Client Patents “Security Max” - Invention Could Prevent Theft of a License PlatePittsburgh, PA - InventHelp®, America’s largest inventor service company, announces that one of its clients, an inventor from California, has desig ... 01.05.2013 | Bau & Immobilien