Perry is also an educator who has taught and developed curriculum on African American history to high school students. The practice led to the inequality of wealth between Black and white people that continues to this day. She's the African American woman we can thank for inventing the sanitary belt in 1957 and revolutionizing women's lives across the entire globe. When Kenner invented her modern-day maxi-pad, it was illegal for African American women to apply for patents. But African American Mose Norman, who was a prominent landowner, chose to exercise his democratic right anyway.