Davis had previously applied for patents for other inventions. He also has patents for seven other inventions. He tries to get ahead by filing patents for various inventions. This is a list of Japanese inventions and discoveries. Mangano holds more than 100 patents for her inventions. Paint was one of the earliest inventions of humanity. He invested mostly in new inventions and technology, particularly the Paige typesetting machine. Worcester would also claim many inventions and firsts. Crabtree often has ideas for commercial uses for Murdoch's inventions. Armstrong patented three important inventions that made today's radio possible. There were many other mechanical inventions during the Tang era. Everybody wants brand new ideas, new inventions and new shots. He continued to experiment with mechanical inventions. Some of his smaller inventions entered the world of manufacturing unheralded. His essay was about the three greatest American inventions.