InventHelp Inventor Develops New Art Charcoal Tools (MHO-525) /PRNewswire/ -- "I wanted to create an improved set of artist tools for working with charcoal," said an inventor, from Midland, Mich., "so I invented the ART ... prnewswire.com prnewswire.com / feeds prnewswire-com-financial-services .. prnewswire-com-news-releases / / #money / / 9 days 9d Share