🔔 Knock, knock. Who’s there? Thanks to Marie Van Brittan Brown, you don’t have to guess! On December 2, 1969, she was granted Patent US3482037A for the first-ever home security system. As a nurse often home alone, Marie created a system with peepholes, cameras, and two-way communication—innovations that revolutionized home safety. Her invention laid the foundation for the modern security systems we rely on today. 💡 The next time you check your doorbell camera or set your alarm, remember the woman whose vision changed how we protect our homes. 📢 Share this to honor her groundbreaking contribution to everyday security! 📜 Learn more about this incredible patent here https://lnkd.in/dUdvcSW6
