build a better mousetrap

Etymology
A shortening of.

Derived from:
 * If a man has good corn or wood, or boards, or pigs, to sell, or can make better chairs or knives, crucibles or church organs, than anybody else, you will find a broad hard-beaten road to his house, though it be in the woods. Ralph Waldo Emerson

Verb

 * 1)  To invent the next great thing; to have a better idea.
 * Build a better mousetrap, and the world will beat a path to your door. misattributed to Ralph Waldo Emerson
 * Of all the inventors to obtain patents, only a few have really built a better mousetrap.