U.S. Commerce Dept. @CommerceGov
Curious about 3-D printing, bionic limbs & self-driving cars? Check out @uspto's Science of #Innovation Video Series to see how scientists & engineers come together to create & help inspire a future of amazing possibilities: https://t.co/4Zk1thkytQ https://t.co/obaQlhIp1j — PolitiTweet.org