The brand name Pateck Geneva was registered to George Holloway, 128 Minories, London, England, on 11th January, 1876.
On 11th January, 1904, the brand name Dixi was registered in Le Locle.
On 11th January, 1930, Léon Hatot was awarded the main patent No. 704.910 for the Rolls-watch automatic winding mechanism. The additional patents Nos. 38.984, 39.523 and 39.581 were awarded to him on 30th November, 1931.