CH3308A
(en )
1891-10-31
Advanced chronograph mechanism with or without counter-operated minute counter
CH2410A
(en )
1891-03-14
Chronograph mechanism with or without counter
CH1473A
(en )
1890-05-31
Chronograph mechanism with central minute counter
CH3672A
(en )
1892-03-31
Watch without cup, perfected
CH2321A
(en )
1890-10-15
Time-setting mechanism by the pendant
CH4729A
(en )
1892-09-30
Chronograph mechanism with on without counter
CH5613A
(en )
1893-04-15
Advanced chronograph mechanism-hours, minutes and seconds counter with immobilizer
CH3364A
(en )
1891-10-15
Chronograph counter
CH3586A
(en )
1891-10-31
Innovation in the chronometer gear
ES11226A1
(en )
1890-12-16
Improvements in the manufacture of corkscrews or corkscrews.
ES11275A1
(en )
1890-12-01
A procedure similar to the bullfighting spectacle.
ES10962A1
(en )
1890-08-16
Improvements in the construction of firearms.
ES11959A1
(en )
1891-06-01
Improvements in the manufacture of explosives.
CH1872A
(en )
1890-05-31
Perfected percussion fuze
CH6454A
(en )
1893-08-15
Roskopf system watch perfected with case without middle and with pendant fixed on a block adapted to the plate
CH1943A
(en )
1890-06-30
Improved clockwork
ES11241A1
(en )
1890-12-16
Improvements in the manufacture of percussion fuzes.
ES11745A1
(en )
1891-05-01
Improvements made in the manufacture of cigarettes.
CH3451A
(en )
1891-09-30
Mécanisme de chronographe
CH2731A
(en )
1891-02-28
Innovation on Roskopf and other clocks
CH4145A
(en )
1892-06-15
Advanced watch case
CH3676A
(en )
1891-11-30
Universal night clock
CH87E
(en )
1891-08-15
Unbreakable watch
ES12266A1
(en )
1891-08-01
Improvements introduced in the security locks, without spring application.
CH3139A
(en )
1891-09-15
Improvement of the chronograph-counter mechanism