Who Invented The Perfect Circle?

Who Invented The Perfect Circle? Invented by Ralph R. Teetor , Cruise Control, originally known as Speedostat, was introduced in the 1958 Chrysler. On July 1, 1963, Perfect Circle Corporation, with more than 2,900 employees, became a wholly owned subsidiary of Dana Corporation of Toledo, Ohio. Did Leonardo da Vinci draw a perfect circle? There’s