So I shouldn’t have been surprised when my fun little research project encountered a controversy concerning the inventor of patent X000001. Samuel Hopkins was indeed the first recipient of a U.S ...

The United States Patent Office awarded its first patent to Samuel Hopkins of Vermont in 1790. Hopkins, originally from Philadelphia, Pennsylvania, had invented a new method for making potash, an ...

It was 225 years ago Friday that Samuel Hopkins of Philadelphia was granted a U.S. patent for his new method of making potash, a salt useful for fertilizer. The patent was signed by George ...