The New York Stock Exchange is not open on weekends. Stock Exchanges in America, Europe, and Asia follow the typical Monday to Friday schedule. However, in the Middle East the work week typically runs from Sunday through Thursday.
Thomas L. Jennings (1791 â February 12, 1856) was an African-American tradesman and abolitionist in New York City, New York. He operated and owned a tailoring and dry-cleaning business, and, on March 3,1821, he was granted patent 3306x for a dry scrub process as the first African American to be granted a patent.
Thomas L. Jennings (1791-1859) was the first African American person to receive a patent in the U.S., paving the way for future inventors of color to gain exclusive rights to their inventions. Born in 1791, Jennings lived and worked in New York City as a tailor and dry cleaner. He invented an early method of dry cleaning called dry scouring and patented it in 1821âfour years before Paris tailor Jean Baptiste Jolly refined his own chemical technique and established what many people claim was historyâs first dry cleaning business.