profeminist:#BlackHistoryFact - African American Inventor Mary Beatrice Davidson Kenner is known fo
profeminist:#BlackHistoryFact - African American Inventor Mary Beatrice Davidson Kenner is known for developing the sanitary pad MEFeater Magazine The Forgotten Black Woman Inventor Who Revolutionized Menstrual PadsMary Beatrice Davidson Kenner was a self-taught inventor who created the sanitary belt and filed five patents in her lifetime. -- source link