Before there was a Ring or an ADP, Marie Van Brittan Brown created the first home security system. Her design and patent paved the way for everything from video surveillance systems to video conferencing. Patent No.: 3482073. Shontavia Johnson, (@ShontaviaJEsq on Twitter) shares her story. #BlackHistoryMonth #TechTuesday #HiddenFigures https://shontavia.com/coaching/ #PatentSeries #ShontaviaJohnson #MarieVanBrittanBrown #KarenHunter https://theglobalmajorityshop.com (SUBSCRIBE TO THIS CHANNEL)
