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6 Things You Probably Didn’t Know Thomas Edison Invented … and One That’s Still Up for Debate

Thomas Edison was one of the most prolific inventors who ever lived. During his lifetime, he was granted more than 1,000 patents in the U.S. alone. With that many inventions to his credit, there’s bound to be one or two we never heard about, right? Maybe a few that didn’t work out? Maybe something a little unusual or even controversial? Well, we did a little digging around and came up with seven of his inventions you might not know about, including one that is still clouded in mystery. Enjoy!

Related photo gallery: Five Little-Known Facts About the Electrical Industry’s Greatest Inventors

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