Robert developed 1789 the first endless wire paper-making machine of the world and let themselves the invention on 18 January 1799 be patented. Robert worked first at the French army. After separating from the soldier life it took a place in the case of the printer Pierre Francois Didot and changed shortly thereafter Didots son Saint Legér Didot, which operated a paper mill. There Robert worried mainly about the bookkeeping. During this work the idea matured to build a machine to the paper trade. In the year 1798 the prototype was finished. With this invention Robert rang the epoch of the machine paper production.