FR447617A
(en )
1913-01-10
Rosskopf type bi-hourly watch
CH54170A
(en )
1912-05-01
Spring winding and pointer setting device on pocket watches
CH53994A
(en )
1912-04-16
Winding device on pocket watches
CH74040A
(en )
1917-01-02
Dial
CH74355A
(en )
1917-02-15
Pocket watch with regulating device that can be operated when the pointer is positioned
CH61741A
(en )
1913-10-16
Pocket watch with luminous dial and luminous compass
CH72075A
(en )
1916-03-16
Pocket watch with button winding
CH66163A
(en )
1914-08-01
Pocket watch with back cover
CH72187A
(en )
1916-04-17
Watch winding device
CH64518A
(en )
1914-04-01
Innovation in pocket watches
CH66351A
(en )
1914-09-01
Innovation in pocket watches
CH66746A
(en )
1915-02-16
Account holder with line pointer
CH52752A
(en )
1911-12-16
Winding and adjusting device on watches
CH56882A
(en )
1912-12-02
Pocket watch with a centrally located second hand
CH72754A
(en )
1916-07-01
Negative winding and hand setting device on clocks
CH69024A
(en )
1915-05-17
Watch stand with springy paper clip
CH61233A
(en )
1913-09-16
Roskopf type bi-hourly watch
CH69987A
(en )
1915-08-02
Timepiece dial with luminous characters
CH57575A
(en )
1913-01-16
Bow button with winding crown for pocket watches
CH71360A
(en )
1915-12-16
pocket watch
CH58949A
(en )
1913-04-16
Watch holder with lighting device
FI6183A
(en )
1915-11-11
Device in compasses
CH72847A
(en )
1916-07-01
Scale with display device
FR486402A
(en )
1918-04-03
Device for automatic winding of the movement of watches, clocks and other similar mechanisms
CH72508A
(en )
1916-11-01
Simultaneous reading and sighting compass