Patent No. 8888, belonging to Albert Henry Potter, was registered on 4th January, 1875.
Jean-Pierre-Épiphane-Adrien-François Thomas was born on 4th January, 1726 in Saint-Nicolas d'Aliermont. Rosalie Duhamel was born on 4th January, 1813 in Saint-Nicolas d'Aliermont. Auguste Huguenin (Dezot) was born on 4th January, 1835 in La Brévine. Lucie Huguenin (Dumittan) was born on 4th January, 1840 in Le Locle. Aimée-Olympe Lebon was born on 4th January, 1842 in Saint-Nicolas d'Aliermont. Marie-Virginie Leblond was born on 4th January, 1851 in Saint-Nicolas d'Aliermont. Jacques Louis Piguet was born on 4th January, 1868 in Chez-Villard, Le Chenit.
Elias Möllinger died on 4th January, 1799. Frédéric Japy died on 4th January, 1812 in Badevel. Georg Haller died on 4th January, 1848. Simon Vissiere died on 4th January, 1887 in Cannet. Arnold Calame died on 4th January, 1919 in Zürich. Heinrich Immanuel Perrot died on 4th January, 1948. Pierre Louis Élisée Piguet died on 4th January, 1987.