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African American Female Inventors

Across
This chemist developed an injectable oil extract that was the most effective treatment of leprosy until the 1940s
She was the inventor of the probe that removed cataracts from the eyes, she was the also the first African American to complete a medical residency in ophthalmology.
She created the first natural gas-fueled furnace in 1919 that helped birth the thermostat that most of us use in our homes today.
In 1969, Brown and her husband Albert were granted a patent for their complex system. Working together, she designed the system on her own and it is now the foundation for doorbell cameras and closed circuit television systems.
Credited for inventing the mechanical clothes wringer, (early predecessor to washing machine). She didn't think white people would buy invention made by a Black woman, sold rights to her invention 1888 for $18
She created a toaster with a digital clock that allowed users to control how brown they wanted their bread.
She was the first Black woman to be given a patent, also in 1885 she revolutionized the idea of dual-purpose furniture by creating the cabinet bed.
Down
While working as physical therapist, she invented devices to help amputees and other wounded soldiers returning from World War II so that they could eat on their own.
She developed the animation needed to create GIFs. This computer scientist also created the video technology behind Hulu.
A graduate of Morgan State University, is the inventor of illusion transmitting technology.
She created a machine that could extract juice from apples, oranges, and lemons. In 1916, she was given a patent for her invention.
With more than 200 patents to her name, she invented improvements for online voice and data systems and paved the way for videoconferencing.