What did Henry Ford patent in October 1911?

I work best on a deadline so I start projects close to their due date.

A.) The first Ford Mustang

A.) The first Ford Mustang

I work on the tasks that I enjoy most first.

B.) The first steering wheel

B.) The first steering wheel

I work on the tasks that I enjoy most first.

C.) The first automobile transmission mechanism

C.) The first automobile transmission mechanism

I work on the tasks that I enjoy most first.

D.) The first dual control systems for cars

D.) The first dual control systems for cars