CH1695A
(en )
1890-03-31
Apparatus for welding pipes by electricity
CH1813A
(en )
1890-05-15
Apparatus for welding metals by electricity
CH1698A
(en )
1890-04-15
Apparatus for welding by electricity
CH2695A
(en )
1891-02-14
Apparatus for probing and forming metals by electricity
CH3334A
(en )
1891-09-15
Apparatus intended to restore strawberries to nine by electricity
CH1697A
(en )
1890-04-15
Apparatus for riveting metals by electricity
CH1771A
(en )
1890-04-30
Machine or apparatus for shaping, forming and welding metals by electricity
CH353A
(en )
1889-03-16
Gas making device
CH61A
(en )
1889-01-08
Clamping device for cannons
CH1192A
(en )
1889-10-03
An apparatus for the transformation by heat of natural phosphates into thermophosphates
CH990A
(en )
1889-08-26
Apparatus intended for industrial water purification
CH598A
(en )
1889-10-19
New pipe clamp
CH364A
(en )
1889-03-19
Sheet metal pipe connection
CH11027A
(en )
1896-04-30
Device for short bending thin-walled tubes
CH1573A
(en )
1890-02-28
New newspaper holder
CH1103A
(en )
1889-09-11
Tube brush for tube boilers
CH1789A
(en )
1890-04-30
Multitubular steam generator
CH1764A
(en )
1890-09-15
New travel camera
CH1282A
(en )
1889-10-26
Two or more part pipe flanges
CH1671A
(en )
1890-03-31
Newspaper holder
CH1549A
(en )
1890-02-14
Gas heater
CH1467A
(en )
1889-12-31
Pneumatic soldering iron
CH798A
(en )
1889-07-05
Double-acting clamping device for trolleys
CH5645A
(en )
1893-02-15
Solar projection device for education
CH1487A
(en )
1890-06-14
School-bag