U.S. Commerce Dept. @CommerceGov
RT @uspto: "94 % of patents are for improvements on objects that already exist," says USPTO's Elizabeth Dougherty during an interview about… — PolitiTweet.org
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Wed Jan 03 19:04:32 +0000 2018
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U.S. Commerce Dept. @CommerceGov
RT @uspto: "94 % of patents are for improvements on objects that already exist," says USPTO's Elizabeth Dougherty during an interview about… — PolitiTweet.org