black inventor Archives

.tm-testi .tm-testi-slider__next,.tm-testi .tm-testi-slider__next:hover,.elementor-widget-container .tm-testi .tm-testi-slider__next,.elementor-widget-container .tm-testi .tm-testi-slider__next:hover{--wpr-bg-0736b3a1-307b-4ab4-b902-1a2fc3594833: url('https://patentyogi.com/wp-content/themes/lanterno/assets/images/tm-testi-slider-next.png');}.tm-testi .tm-testi-slider__prev,.tm-testi .tm-testi-slider__prev:hover,.elementor-widget-container .tm-testi .tm-testi-slider__prev,.elementor-widget-container .tm-testi .tm-testi-slider__prev:hover{--wpr-bg-39dbe8d4-ee70-465b-b9ec-290c627e0ab4: url('https://patentyogi.com/wp-content/themes/lanterno/assets/images/tm-testi-slider-prev.png');}div.wpcf7 .ajax-loader{--wpr-bg-c02e8ee5-0614-4c7b-9da3-b019b727023f: url('https://patentyogi.com/wp-content/themes/lanterno/assets/images/ajax-loader.gif');}.story-with-background{--wpr-bg-84eb3686-3382-45f1-8b4b-5d3828afcafa: url('https://patentyogi.com/wp-content/plugins/royal-elementor-addons/assets/css/');}.bdt-lazy-loading{--wpr-bg-1a3faa3a-43fb-45d7-923f-fb146fc1b7c6: url('https://patentyogi.com/wp-content/plugins/bdthemes-element-pack-lite/assets/images/loading.svg');}.showcase-active .showcase-panel{--wpr-bg-6f70b315-1a69-4728-b98e-f95a29dd99cd: url('https://patentyogi.com/wp-content/themes/lanterno/assets/images/header_bg.jpg');}body.error404{--wpr-bg-a14bbd32-5b86-43a3-a5f7-9a4e9e8a32b7: url('https://patentyogi.com/');}.header-wrapper{--wpr-bg-5e8ae02c-d163-4ada-9a55-73b6afa35a21: url('https://patentyogi.com/');}.header-wrapper{--wpr-bg-1b289637-79c0-42fe-bdce-ba0eb7a978f9: url('https://patentyogi.com/');}

Infographic - Marie Van Brittan Brown, a revolutionary black women who invented the modern day home security system

When it comes to keeping your home safe, many households turn to home security systems. Yet, very few know about the origin of these extremely…