CH17837A
(en )
1899-08-31
Finishing cage for watch movement
CH16201A
(en )
1898-11-30
Regulating mechanism for watch movements
CH16965A
(en )
1899-03-31
Speed regulator for watch movements
CH33816A
(en )
1906-01-31
Tourbillon escapement for timepieces
CH18780A
(en )
1900-02-28
Speed regulator for clockwork mechanisms
FR341228A
(en )
1904-08-02
Advanced differential movement for finishing machines and gluing machines
FR383770A
(en )
1908-03-17
Process for hardening pivot holes for watch movement
CH41448A
(en )
1908-11-02
Sophisticated snap-fit for timepieces
CH17742A
(en )
1899-08-15
Watch movement
CH12173A
(en )
1896-11-15
Advanced movement for repeater watch
FI883A
(en )
1898-09-09
"Metal collar"
FR340082A
(en )
1904-06-25
Auxiliary coil for electricity meters with pendulum motion
CH16301A
(en )
1898-11-15
Watch barrel
CH270E
(en )
1899-06-15
Roskopf type movement for soap seconds watches
FR2594E
(en )
1904-05-20
New machine for the mechanical appetition of tulle
CH26395A
(en )
1903-08-31
Magnifying circle for watch movement
CH18712A
(en )
1900-02-15
Winding watch movement
CH19973A
(en )
1900-10-31
Metal part in lieu of stone for a clockwork movement
FR321816A
(en )
1903-01-20
Saturating apparatus for the manufacture of ammonium sulphate
CH18058A
(en )
1899-09-30
Moderator-speed regulator for the small gear train of repeating watches
CH13899A
(en )
1897-09-15
New watch movement for ultra-thin winding watches
FR345529A
(en )
1904-12-02
Improvements made to coatings for rolling drums for the use of fibrous materials
CH23649A
(en )
1902-08-31
Advanced speed regulator-moderator for clockwork mechanisms
CH33242A
(en )
1905-11-15
Speed regulator-moderator for watch movements
CH16035A
(en )
1898-09-15
Machine for the production of perforated metal sheets