[3] King became the first woman registered to practice before the U.S. Patent Office in 1897, became the first woman to argue a patent case before the U.S. Supreme Court in 1922, and became the first woman to win a case before the U.S. Supreme Court in 1923 (Crown v.

[3][4] She also worked as a consulting engineer in machine design and construction, having attended Armour Institute of Technology for three years.

[5] She founded and served as president of the Women's Association of Commerce of Chicago and the Woman's Association of Commerce of the United States.

[6] She also organized the Woman's Alaska Gold Club.

[3] She lived in Edison Park, Chicago.