1790年7月31日,佛蒙特州的塞缪尔·霍普金斯(Samue

1790年7月31日,佛蒙特州的塞缪尔·霍普金斯(Samuel Hopkins)向佛蒙特州的塞缪尔·霍普金斯(Samuel Hopkins)授予了第一项美国专利,以改进“通过一种新的设备和工艺制造钾灰和珍珠灰”。 该专利由当时的总统乔治·华盛顿签署。 1790年至1836年间颁发的首批10,280项专利被大火烧毁。 美国专利制度(USPTO)的法律依据是《美国宪法》第1条第8款,其中规定了国会的权力。
原文:1790 Jul 31, The first US patent was issued to Samuel Hopkins of Vermont for an improvement “in the making of Pot ash and Pearl ash by a new Apparatus and Process”. This patent was signed by then President George Washington. The first 10,280 patents, issued between 1790 and 1836, were destroyed by a fire. The legal basis for the United States patent system (USPTO) is Article 1, Section 8 of the US Constitution wherein the powers of Congress are defined.