02/01/2022
[In 1939, Frederick McKinley Jones patented the world’s first successful refrigerated transportation system. At the time, he was working for the Minneapolis-based company U.S. Thermo Control. Two years later, he released an improved version, the Model C, which revolutionized the agriculture and military industries.
Frederick McKinley Jones patented more than sixty inventions over his sixty-seven-year lifetime, making him one of the most prolific African-American inventors ever. The Thermo King Model C stands as his most prominent achievement.] Read more here: https://www.minnpost.com/mnopedia/2015/08/minnesota-knows-cold-frederick-mckinley-jones-patented-world-s-first-successful-ref/
