CH48559A
(en )
1911-05-01
Device on nest holes to protect against robbery
CH47665A
(en )
1910-07-16
Device on hats to prevent unauthorized putting on of the same
CH56987A
(en )
1912-12-02
Device for closing drains
CH54048A
(en )
1912-04-16
Alarm device to protect against burglary
CH53791A
(en )
1912-04-01
Device on folded objects to make unauthorized unfolding of the same more difficult
CH42109A
(en )
1909-01-02
Device to protect against overvoltage
CH65052A
(en )
1914-05-16
Device for decoupling stable animals
CH48013A
(en )
1910-09-01
Device for reporting intrusions
CH67822A
(en )
1915-01-16
Equipment on dog houses to scare away thieves
CH73511A
(en )
1916-10-16
Device to protect the auditory organs against air pressure waves
CH50566A
(en )
1911-06-16
Device on handguns to lock the trigger
CH55629A
(en )
1912-09-02
Device for protecting electrical cables through walls etc. at their bending points
CH59255A
(en )
1913-05-02
Device on DC machines to protect them against the consequences of internal faults
CH52362A
(en )
1911-11-16
Device for decoupling stable animals
CH54763A
(en )
1912-06-17
Alarm device
CH50170A
(en )
1911-05-01
Device for protecting construction sites against unfavorable weather conditions
CH52759A
(en )
1912-01-02
Device for cutting internal and external threads
FR409248A
(en )
1910-04-16
Burglar protection device
CH57190A
(en )
1912-12-16
Device for operating bicycle bells
CH48014A
(en )
1910-09-01
Alarm device
FR447705A
(en )
1913-01-13
Security device against theft
FR13650E
(en )
1911-05-19
Marinating device
CH49869A
(en )
1911-04-01
Device for attaching handles to equipment
CH49043A
(en )
1911-01-02
Alarm device
CH76745A
(en )
1918-02-01
Overvoltage protection device based on corona action