In 1715, the British government acknowledged that Masters, an American colonist, had created a new way "for cleaning and curing the Indian corn growing in several colonies in America." Even King George I praised her invention as having played an important role in developing the Pennsylvania economy.
But, in a classic demonstration of the bias against women inventors, the crown issued the patent in the name of her husband, Thomas. It would be almost a century before an American woman would be recognized as an inventor in her own right.