J.H. Hunter, an African-American inventor, patented the weighing scale on November 3, 1896.It was patent number 570, 533. The weighing scale is used to determine the weight or mass of an object or individual.
On Jan. 19, 1909, he also received patent number 909,902 for a hair dressing device
Henry Blair, one of the earliest black inventors to receive a patent, was born in Montgomery County, Md. around 1807. Little is known about his personal life. Blair is assumed to have been free since slaves could not legally obtain patents. He received two patents, one in 1834 for his seed planter and another in 1836 for a cotton planter. For many years he was thought to be the first black American to receive a U.S. patent. Later,it was recognized that Thomas L. Jennings received his patent in 1821 for the invention of the dry cleaning process. Many people are unaware of this and still cite Henry Blair as the first black patent holder.Â Continue reading
Born on November 9, 1731 near Elliott City, Maryland, Benjamin Banneker was one of America’s greatest intellectuals and scientists. Benjamin Banneker was an essayist, inventor, mathematician, and astronomer.
Because of his dark skin and great intellect he was called the “sable genius.” Benjamin Banneker was a self-taught mathematician and astronomer. While still a youth he made a wooden clock which kept accurate time past the date that Banneker died.
This clock is believed to be the first clock wholly made in America. In 1791, he served on a project to make a survey for the District of Columbia, helping to design the layout for our Nation’s capital. Continue reading