约 788,000 个结果
在新选项卡中打开链接
Patent Basics | USPTO - United States Patent and Trademark Office
Managing a patent | USPTO
Patent essentials | USPTO
United States patent law - Wikipedia
Rights Granted Under U.S. Patent Law (BitLaw)
What Is a Patent in Simple Terms? With Examples - Investopedia
patent | Wex Legal Dictionary / Encyclopedia | LII / Legal …
Patent - Wikipedia
What Is a Patent? - FindLaw
Patents - WIPO - World Intellectual Property Organization