There is no specific answer for how many inventions are in the world.
13 separate inventions.
He patented many of his inventions.
They only made 2 inventions
He made 5 inventions.
how many inventions did Thomas Edison patent in his life
many times, inventions are the result of engineering, which is applied science.
Science Fiction Inventions has 256 pages.
there are many great inventions Canada did. you can go to Google and type......What is Canada's greatest inventions? and click the first option.
lot many..
juik
over 1000 inventions from "The Wizard of Menlo Park"
Many inventions were made such as a pot and pan