S9.com / Biographies /
1807 - Henry Blair, born this year in Montgomery County, Maryland, U.S.A. He was the second African American inventor ever to receive a patent.
1821 - Found out that actually Thomas Jennings received a patent for his invention of the dry cleaning process.
1834 - Received his first patent on the 14th of October for his invention of the corn seed planter.
1836 - He later received another patent for the invention of the cotton planter.
1860 - Died this year.
1821 - Found out that actually Thomas Jennings received a patent for his invention of the dry cleaning process.
1834 - Received his first patent on the 14th of October for his invention of the corn seed planter.
1836 - He later received another patent for the invention of the cotton planter.
1860 - Died this year.
  | Page last updated: 7:46pm, 03 |
