🔐 Fun Fact Friday from Texas Master Locksmiths 🔐 Ever wondered who invented the lock that protects most homes and businesses today? Meet Linus Yale Jr., the brilliant mind behind the modern-day cylinder lock — patented in 1861 and still widely used today! 🧠💡 Inspired by ancient Egyptian designs, Yale's innovation brought us a safer, more reliable way to secure doors — and we're still using his genius over 160 years later! 👏 Thanks, Linus. You locked down your place in history. #LockHistory