CH26137A
(en )
1903-08-15
Mechanism indicating the degree of development or winding of a watch assembly spring
CH28540A
(en )
1904-05-15
Further development of the detent escapement of watches
CH41619A
(en )
1908-11-02
Time-setting mechanism for watches without hands
CH15231A
(en )
1898-04-30
Mechanism indicating the degree of development or winding of the mainspring of clockwork movements
CH28544A
(en )
1904-05-31
Gong spring for striking timepieces
CH28539A
(en )
1904-05-15
Visible movement watch
FR503696A
(en )
1920-06-16
24 hour dial watch
CH6189A
(en )
1893-07-15
Double-sided watch mechanism with hour counter
FR418853A
(en )
1910-12-21
Mechanism indicating the degree of winding of the watches
CH49637A
(en )
1911-03-01
Mechanism indicating the development of the mainspring of a watch movement barrel
FR322226A
(en )
1903-01-30
Improvements to the watch escapement
CH47454A
(en )
1910-07-16
Mechanism indicating the development of the mainspring of timepieces or other instruments or apparatus
CH29062A
(en )
1904-07-15
Cascule winding watch with dial ring
CH37637A
(en )
1907-06-30
Roskopf watch with visible mechanism
FR433638A
(en )
1912-01-12
Special modification of the lever escapement (watchmaking)
CH35947A
(en )
1906-11-30
Watch spring tension indicator
FR354639A
(en )
1905-10-09
Watch pointer
FR341577A
(en )
1904-08-11
Simplified "roskopf" watch
FR324858A
(en )
1903-04-11
Winding watch strap
CH51144A
(en )
1911-08-01
Watch movement actuating two indicating devices, one of which has a relative rate to the other indicating standard time
CH26028A
(en )
1903-07-15
Clockwork movement
FR460350A
(en )
1913-11-28
Device used to indicate the state of tension of the barrel spring of a timepiece
CH7654A
(en )
1894-09-30
Alarm formed by the combination of a watch and a watch holder
FR357371A
(en )
1905-12-26
Watch spring tension indicator
FR14755E
(en )
1912-02-12
Special modification of the lever escapement (watchmaking)