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- [43] The Mystery of Property Rights: A U.S. Perspective JOURNAL OF ECONOMIC HISTORY, 2011, 71 (02): : 275 - 306
- [47] Pott Ash Maker: The U.S.' First Patent Holder Chemical Engineering (United States), 2023, 130 (04):
- [49] Analyzing the Structure of U.S. Patents Using Patent Families Proceedings - 2022 12th International Congress on Advanced Applied Informatics, IIAI-AAI 2022, 2022, : 150 - 153