United States Patent and Trademark Office, Alexandria, VA. 52524 likes · 261 talking about this · 22659 were here. Leading the Nation and the World in... ... <看更多>
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United States Patent and Trademark Office, Alexandria, VA. 52524 likes · 261 talking about this · 22659 were here. Leading the Nation and the World in... ... <看更多>
Department of Commerce. U.S. Patent and Trademark Office has 18 repositories available. Follow their code on GitHub. ... <看更多>
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