American Garrett Morgan patented what in 1923?

More Questions:

What company made the LFA?

What color is the 4-ball in a game of pool?

Sinologists study which country?

What two kinds of opera do the Arts recognize?

Who wrote the "Shogun" series of novels?

What Mediterranean island is located directly south of Corsica?

A free radical is an atom or molecule that has an odd number of what?

What breed of cat is tailless?

On what holiday did W. C. Fields die?

What was Joan Jett's backing band?

What wonder of the ancient world was destroyed by arson the same night Alexander the Great was born?

Under what Roman pseudonym were the Federalist Papers written?

What city hosted the 2010 Winter Olympics?

What first lady was nicknamed the "Steel Magnolia"?

What disability did Thomas Edison have?