INVENTOR Frederick McKinley Jones (May 17, 1893 – February 21, 1961) was an African American inventor, entrepreneur, winner of the National Medal of Technology, and inductee of the National Inventors Hall of Fame. His innovations in refrigeration brought great improvement to the long-haul transportation of perishable goods. During his life, Jones was awarded 61 patents. Forty were for refrigeration equipment, while others went for portable X-ray machines, sound equipment, and gasoline engines.