FR401882A
(en )
1909-09-18
Device for making the nuts unbreakable
CH48879A
(en )
1910-12-16
Device for generating mechanical resistance
CH57190A
(en )
1912-12-16
Device for operating bicycle bells
CH67686A
(en )
1915-01-02
Device for activating the alarm bell on vehicles that can be driven by hand
AT52275B
(en )
1912-02-26
Device for automatic recording of the travel times and speed of ships.
CH47061A
(en )
1910-05-16
Signal device on ships to indicate the same impending dangers
CH44447A
(en )
1909-08-16
Device on road vehicles to prevent dust being raised
FR418923A
(en )
1910-12-22
Device for teaching the piano
CH47665A
(en )
1910-07-16
Device on hats to prevent unauthorized putting on of the same
CH48062A
(en )
1910-09-16
Device for securing bicycles against theft
CH49453A
(en )
1911-02-16
Device for switching on the engine of speaking machines
AT57819B
(en )
1913-02-25
Device for the production of tar macadam and the like.
CH54060A
(en )
1912-04-16
Device to prevent the stop signal from being run over on railway trains
CH42266A
(en )
1909-01-16
Device for starting the sand spreader on locomotives
DK14854C
(en )
1911-07-24
Speedometers for Centrifuges and the like.
FR413250A
(en )
1910-08-03
Sound repercussions for the violin and its basses
CH53344A
(en )
1912-02-16
Device for ringing church and similar large bells
GB191100289A
(en )
1911-11-02
Improved Sound Post Setters for Violins and the like.
CH52350A
(en )
1911-11-16
Signal alarm device on railways
CH57164A
(en )
1912-12-16
Device for the automatic issuing of tokens
CH47717A
(en )
1910-08-01
Alarm device on bicycles
FR437021A
(en )
1912-04-11
Warning, signal and control device
DK23158C
(en )
1918-06-10
Device by Sirens and the like.
CH49354A
(en )
1911-02-01
Device for preventing the wheels of vehicles from sliding
CH58451A
(en )
1913-03-17
Optical and acoustic near and remote acting device for determining the speed of vehicles and stationary machines