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’