Inventor: Rao Guangde Invention: Rubbish Cleaning Boat Inventor’s location: Shixing, China. Rao Guangde is

Inventor: Mike Ralph Invention: Trash Buster Inventor’s location: St. Catharines, Canada’ Necessity is the mother of invention. In Mike Ralph’s case, it is so true. The former Markham resident always had problems with his neighbors’