Photo: Steve Searle/WENN.com
Thomas Jennings
Invented: Dry cleaning.
On March 3, 1821, Jennings became the first African-American to get a patent. It was for dry cleaning but he used the money to free his family from slavery.
« Previous page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Next page »
