trademark 'Coke' was registered in 1945. Coca-Cola is recognized by 94% of the world's population. 

Only 2 Kentucky Fried Chicken executives know the finger-lickin' recipe of 11 herbs and spices. A 3rd executive knows the combination to the safe where the handwritten recipe is kept. Less than a handful of KFC employees know the identities of the 3 executives, who are not allowed to travel together for security reasons. Due to its trade secret status, several people claim to have figured out the recipe.       

The only patent issued to a U.S. President is Serial No. 6,469 issued to Abraham Lincoln on May 22, 1849. The invention is a set of bellows attached to the hull of a ship just below the water line.

President Lincoln whittled the model for his patent application with his own hands out of wood. The model is on display at the Smithsonian Institution National Museum of American History.

The trademark 'Coca-Cola' was registered with the US Patent Office on January 31, 1893 and the