X-Patent
On July 31, 1790 inventor Samuel Hopkins of Pittsford, Vermont became the first person to be issued a patent in the United States. His patented invention was an improvement in the "making of Pot Ash by a new apparatus & process." The earliest patent law required that a working model of each invention be produced in miniature.
Petrache Poenaru
While a student in Paris, Petrache Poenaru invented the world's first fountain pen, an invention for which the French Government issued a patent on 25 May 1827.