CH20460A
(en )
1901-01-31
New dead and independent seconds mechanism for watches
CH18781A
(en )
1900-03-15
Advanced mechanism for pendulums and electric clocks
CH17103A
(en )
1899-04-30
New frame for large seconds watches
CH20281A
(en )
1901-01-15
Winding mechanism for watches and alarm clocks
CH15933A
(en )
1898-08-31
Advanced striking mechanism for repeater watches
CH14006A
(en )
1897-09-30
Small seconds simplified for Roskopf watches
CH20035A
(en )
1900-11-15
Flange for watch cases
CH22944A
(en )
1902-05-15
Racket for watches
CH19393A
(en )
1900-06-30
Niellated dial for watches
CH24786A
(en )
1903-02-15
New barrel for watches
CH21313A
(en )
1901-06-30
Winding and time-setting mechanism for watches, improved
CH12404A
(en )
1896-12-15
Simplified mechanism for second chronograph
CH15360A
(en )
1898-06-15
Winding and time-setting mechanism for watches
CH18282A
(en )
1899-11-30
Advanced repeater mechanism for all types of watches
CH14097A
(en )
1897-09-30
New racket for watches
CH16591A
(en )
1898-12-31
Mechanism for repeater watches
FR334629A
(en )
1903-12-28
Dead second mechanism for watches
CH13899A
(en )
1897-09-15
New watch movement for ultra-thin winding watches
CH16960A
(en )
1899-03-15
Watch pusher
CH270E
(en )
1899-06-15
Roskopf type movement for soap seconds watches
CH17445A
(en )
1899-06-15
Roskopf type movement for soap seconds watches
CH19422A
(en )
1900-07-31
New slabs
CH24784A
(en )
1903-02-15
New winding and time-setting mechanism
CH16301A
(en )
1898-11-15
Watch barrel
CH18129A
(en )
1900-01-15
Time-setting mechanism for so called: Roskopf type watches