The aforementioned first African American U.S. patent recipient was working as a tailor and businessman in New York City when he invented a process for dry-cleaning delicate clothing known as “dry-scouring.” Jennings applied for a patent in 1820 and received his history-making approval the following year. With the money he earned from his invention, the formerly enslaved person both donated to abolitionist causes and even reportedly freed his still-enslaved family members.
Anyone who’s ridden modern elevators has Alexander Miles to thank for the stair alternative’s automatic doors. Prior to his design’s 1867 patent, riders had to manually open … Continue reading Alexander Miles
A true visionary, Dr. Patricia Bath became the first female African American medical doctor to receive a medical patent when she invented a laser cataract treatment device called a … Continue reading Dr. Patricia Bath