1793: Eli Whitney applies to patent his new invention: a machine that quickly separates cotton seeds from cotton fibers. The cotton gin was the little engine that could — and did — transform ...

Whitney received patent 72X for his cotton gin invention after sending a drawing of the new invention to then Secretary of State Thomas Jefferson. Whitney eventually demonstrated a model to ...

On this day in 1793, young inventor Eli Whitney had his U.S. patent for the cotton gin approved, an invention that would definitely have an impact on social and economic conditions that led to the ...

IMPROVED COTTON GIN. Share full article. Oct. 6, 1865. ... than the Universal Patent Cotton Gin of Mr. HORACE L. EMORY, of the Agricultural Works at Albany. The advantages of this gin are: ...

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 development of the cotton gin — patented in 1794 — involves an interesting lesson about solving engineering problems. Farmers in the southern United States had a big problem.

The development of the cotton gin — patented in 1794 — involves an interesting lesson about solving engineering problems. Farmers in the southern United States had a big problem.

The Constitution offered protection to countless inventors who helped shape the nation. Documentation of these rights, such as above, is stored in the National Archives.

Pratt also patented cotton gin designs. An article on BusinessAlabama.com said: "Born at the end of the 18th century, Pratt formed rural communities and transformed them into prosperous production ...

His cotton gin fueled the growth of the cotton industry, and slavery alongside it. ... a machine that removed the seeds from cotton bolls. Above is the 1794 patent for his invention.

The cotton gin — “gin” evolved as a shortened form of the word “engine” — is one of the great early American inventions, credited to Eli Whitney who won the patent rights in 1794.