Thomas L. Jennings
Encyclopedia
Thomas L. Jennings was an African American
African American
African Americans are citizens or residents of the United States who have at least partial ancestry from any of the native populations of Sub-Saharan Africa and are the direct descendants of enslaved Africans within the boundaries of the present United States...

 tradesman
Tradesman
This article is about the skilled manual worker meaning of the term; for other uses see Tradesperson .A tradesman is a skilled manual worker in a particular trade or craft. Economically and socially, a tradesman's status is considered between a laborer and a professional, with a high degree of both...

 and abolitionist. He was a free black
Free Negro
A free Negro or free black is the term used prior to the abolition of slavery in the United States to describe African Americans who were not slaves. Almost all African Americans came to the United States as slaves, but from the earliest days of American slavery, slaveholders set men and women free...

 who operated a dry-cleaning business in New York City
New York City
New York is the most populous city in the United States and the center of the New York Metropolitan Area, one of the most populous metropolitan areas in the world. New York exerts a significant impact upon global commerce, finance, media, art, fashion, research, technology, education, and...

, New York
New York
New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

 and was the first African American to be granted a patent
Patent
A patent is a form of intellectual property. It consists of a set of exclusive rights granted by a sovereign state to an inventor or their assignee for a limited period of time in exchange for the public disclosure of an invention....

. Jennings' skills along with a patent granted by the state of New York
New York
New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

 on March 3, 1821 for a dry cleaning process called "dry scouring" enabled him to build his business. He spent his early earnings on legal fees to purchase his family out of slavery, and supporting the abolitionist movement.
In 1831, Jennings became assistant secretary to the First Annual Convention of the People of Color in Philadelphia, Pennsylvania
Pennsylvania
The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

, which met in June, 1831.

Patent Controversy

Jennings' patent resulted in a considerable amount of controversy. The U.S. patent laws of 1793 stated that "the master is the owner of the fruits of the labor of the slave both manual and intellectual," thus slaves could not patent their own inventions, the efforts would be the property of their master. Thomas Jennings was able to gain exclusive rights to his invention because of his status of being a free man. In 1861 patent rights were finally extended to slaves.

Further Reading

Joan Potter, African American Firsts (New York: Kensington Publishing Group, 2002)
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