U.S. Commerce Dept. @CommerceGov
RT @uspto: In 1962, microbiologist Benjamin Rubin received U.S. patent No. 3,194,237 for a pronged vaccinating needle. His invention helped… — PolitiTweet.org
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Mon Aug 23 14:26:42 +0000 2021
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U.S. Commerce Dept. @CommerceGov
RT @uspto: In 1962, microbiologist Benjamin Rubin received U.S. patent No. 3,194,237 for a pronged vaccinating needle. His invention helped… — PolitiTweet.org