CH3586A
(en )
1891-10-31
Innovation in the chronometer gear
CH2960A
(en )
1891-04-30
Improvement in the construction of marine chronometers
CH3310A
(en )
1891-09-15
Improvement in the construction of chronograph cogs
CH3226A
(en )
1891-07-15
Innovation in pocket watches
CH2993A
(en )
1891-05-15
Improvement in the construction of marine chronometers
CH3800A
(en )
1891-12-15
Innovation in chain bracelets
ES12020A1
(en )
1891-06-16
Improvements introduced in watches.
CH1261A
(en )
1889-10-26
Innovation in watches
CH1847A
(en )
1890-05-31
Innovation in watches
CH4455A
(en )
1892-05-31
Innovation in candles
CH2731A
(en )
1891-02-28
Innovation on Roskopf and other clocks
CH5887A
(en )
1893-04-29
Mechanism eliminating the neutral point in watches with split-seconds hand
ES12825A1
(en )
1892-02-01
Improvements in the velocipedes.
CH2276A
(en )
1890-09-15
Urometer
ES11298A1
(en )
1890-12-01
Improvements introduced in the fallebas.
CH3364A
(en )
1891-10-15
Chronograph counter
CH4281A
(en )
1892-03-31
Innovation in hurricane lanterns
CH1979A
(en )
1890-08-30
Innovation in transformers
ES10880A3
(en )
1890-08-01
Improvements in kneading or mechanical deviousness.
CH3197A
(en )
1891-07-15
Innovation in bottles
ES12309A1
(en )
1891-08-16
Improvements in thermo-electric batteries.
CH947A
(en )
1889-08-09
Watch with two independent timers
CH3835A
(en )
1892-01-15
Thermo-electric column
CH3196A
(en )
1891-07-15
pocket watch
CH1839A
(en )
1890-05-31
Calotte-lépine watch