WATCH NOW Electret Microphone, Co-Invented by James E. The camera’s view would then appear on a monitor in her home so she could survey any potentially unwanted guests. In 1966, Brown invented a system that used a camera that could slide into and look through four peepholes in her front door. So she created a device that would help put her mind at ease. On top of that, the police were unreliable and unresponsive. She spent many nights at home alone in Queens, New York while her husband was away, and felt unsafe with high rates of crime in her neighborhood. Home Security System, Co-Invented by Mary Van Brittan Brown in 1966īefore security systems became a fixture in homes, an African American nurse Mary Van Brittan Brown, devised an early security unit for her own home. Boone’s design would morph into the modern ironing board that we use today. With Boone’s 1892 additions, the board featured a narrower and curved design, making it easier to iron garments, particularly women’s clothing. history to receive a patent, she expanded upon the original ironing board, which was essentially a horizontal wooden block initially patented in 1858. In the late 19th century, it was improved upon by Sarah Boone, an African American woman who was born enslaved. The ironing board is a product that’s used possibly just as much as it’s overlooked. Improved Ironing Board, Invented by Sarah Boone in 1892
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