The gin made cotton profitable which was a boon to the ... although he did make some and became famous for his labor-saving invention. He would go on to pioneer the use of interchangeable parts ...

On June 20, 1793, Eli Whitney, who had graduated from Yale the previous year, wrote to Secretary of State Thomas Jefferson, requesting a patent for his new invention, the cotton gin. The gin ...

On June 20, 1793, Eli Whitney, who had graduated from Yale the previous year, wrote to Secretary of State Thomas Jefferson, requesting a patent for his new invention, the cotton gin. The gin ...