celebrate thomas jennings’ 200th anniversay OF his patent for dry cleaning.On March 3, 1821, inventor Thomas Jennings became the first African-American to receive a patent for dry scouring, the precursor to modern day dry cleaning. |
celebrate thomas jennings’ 200th anniversay OF his patent for dry cleaning.On March 3, 1821, inventor Thomas Jennings became the first African-American to receive a patent for dry scouring, the precursor to modern day dry cleaning. |