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Database Chronos
Patents from 1876 to 1975
Patents 1921 to 1930
Patents 1921 to 1930
1921, Jeanneret-Brehm, chronoscope, CH97461A.pdf 210.12 KB
1921, Stolz Frères, chronographe, CH95690A.pdf 262.20 KB
1922, Jeanneret-Brehm, compartiment fournitures, CH100230A.pdf 111.82 KB
1923, Breitling Léon, chronographe, CH105532A.pdf 249.37 KB
1921, Berna Watch, chronographe-compteur, CH99802A.pdf 217.35 KB
1923, Berna Watch, chronographe avec totalisateur, CH104839A.pdf 232.18 KB
1923, Breitling Léon, Montbrillant Watch, compteur de temps, CH104374A.pdf 197.61 KB
1923, Breitling Léon, montbrillant watch, compteur de temps, CH104599A.pdf 219.70 KB
1926, Léonidas Watch Factory, Jeanneret-Droz Constant, Mathez Ernest, compteur de sport, CH117183A.pdf 298.52 KB
1926, Breitling Léon, chronographe, CH120033A.pdf 252.47 KB
1930, Amida, chronographe, CH151400A.pdf 309.69 KB
1930, Haas Neveux, compteur 5 minutes, CH150982A.pdf 184.90 KB
1929, Peugeot Edmond, Ulmann Mathias et Edmond, chronographe-compteur, FR38042E.pdf 506.95 KB
1929, Ulmann Mathias et Edmond, Peugeot Edmond, chronographe, FR38618E.pdf 481.93 KB
1929, Ulmann Mathias et Edmond, Peugeot Edmond, FR671111A.pdf 513.62 KB
1930, Vial Jules, chronographe, FR701884A.pdf 319.01 KB
1927, Jeanneret-Brehm, compteur poche, CH128782A.pdf 531.94 KB
1927, Léonidas Watch Factory, Jeanneret-Droz Constant, compteur de sport, CH127821A ok.pdf 422.69 KB
1930, Minerva, compteur de sport, CH146042A.pdf 253.53 KB
1930, Amida, seconde indépendante, CH148820A.pdf 200.50 KB
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