National Sea Monkey Day celebrates an amazing pet that comes alive when placed in water. Children and adults are fascinated by these creatures, that almost…
In 1887, John Boyd Dunlop invented and patented a pneumatic tire for use on his son’s tricycle. However, in 1891, Dunlop’s patent invalidated in favor…
Steve Jobs has been awarded about 200 patents after his death.
We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.AcceptDo Not AcceptRead more