American Hamilton Smith patented what in 1858?

More Questions:

In the Western Union's alphabet what is the letter "C" known as?

Pratt, Windsor and "four-in-hand" all make reference to what piece of men's attire?

Which continents have never hosted the Olympics?

To determine the percentage of alcohol in a bottle of liquor, what is divided by two?

Which company makes the "Golden Crisp" cereal?

What is the official language of Papua New Guinea?

What is the capital of Belgium?

How many oxygen atoms does a molecule of ozone have?

What screen duo first appeared in the supporting cast of 1949's "The Egg and I"?

In the TV show "The Simpsons', what is Chief Wiggum's first name?

Who was Arthur Stanley Jefferson's comedy partner?

What US state has been led by Earl Warren and Jerry Brown?

Who was Germany's first female chancellor?

The TV show "Soap", was set in what fictional town?

The song "Seven Seas of Rhye" was the first hit for which band?