CH13425A
(en )
1897-06-30
Improvement of the counter mechanism in chronograph watches
CH23755A
(en )
1902-09-15
Improvements to the time-setting mechanism of certain watches
CH12323A
(en )
1896-11-30
Advanced time setting for buttonhole watches
CH14446A
(en )
1897-11-30
Improvement in setting the time of Roskopf system watches
CH16676A
(en )
1899-01-15
Watch balance with variable moment of inertia
CH22706A
(en )
1902-03-15
Time-setting device in watches
CH11490A
(en )
1896-07-15
New time-setting system for pocket watches
CH14641A
(en )
1898-01-15
Travel timepiece
CH13244A
(en )
1897-05-15
Watch stroller
CH14987A
(en )
1898-02-28
Movement mechanism of the mobile dial in 12 and 24 hour watches
CH12663A
(en )
1897-03-15
Steel watch case
CH15360A
(en )
1898-06-15
Winding and time-setting mechanism for watches
FR516962A
(en )
1921-04-28
Improvements made to the arrangement of arcane threads in looms
FR325943A
(en )
1903-05-12
Improvements in the clocks, with a view to setting the time
CH12019A
(en )
1896-09-30
Time setting during
CH18199A
(en )
1899-11-15
Watch at twenty-four o'clock
CH12662A
(en )
1897-02-15
Hanging and unfastening mechanism for repeater watches
CH12879A
(en )
1897-03-15
Châtelaine watch
CH28804A
(en )
1904-06-15
Improvement of the time-setting mechanism of soap-winding watches
CH12562A
(en )
1897-01-15
Pair of electrodes
CH12661A
(en )
1897-01-31
Counters watch with special mechanism for counting hours and minutes
CH17353A
(en )
1899-09-15
Time-setting mechanism
FR439509A
(en )
1912-06-15
Improvements to the separation of tar and ammonium chloride contained in coal distillation gases
CH14528A
(en )
1898-01-31
Time-setting mechanism by the pendant
CH13046A
(en )
1897-04-15
Simplified Roskopf watch