Margaret Wilcox

Margaret A. Wilcox was an American mechanical engineer, inventor and entrepreneur who secured at least seven United States patents between 1890 and 1909. She is best known for inventing one of the earliest car heating systems, which she patented on November 28, 1893. She was an innovator who brought the use of interior heating to vehicles, creating the foundation for current day automative air conditioning systems. She developed several other inventions and innovations; some of which include, a multi-function stove that heated both food and water and combined washing machine for dishes and clothing.