CH56191A
(en )
1912-10-01
Device for turning grinding stones
CH65392A
(en )
1914-06-16
Device for grinding diamonds
CH58362A
(en )
1913-03-01
Device for cleaning and polishing footwear
CH56987A
(en )
1912-12-02
Device for closing drains
CH72462A
(en )
1916-06-02
Device for the mechanical spreading of sand
CH61994A
(en )
1913-11-01
Device for holding barrels
CH54680A
(en )
1912-06-01
Device for grinding sugar
CH67287A
(en )
1914-11-16
Device for grinding and polishing precious stones
CH67286A
(en )
1914-11-16
Device for grinding and polishing precious stones
CH52763A
(en )
1911-12-16
Device for processing rotational solids
CH52916A
(en )
1912-01-02
Device for sharpening writing materials
CH50938A
(en )
1911-07-17
Device for attaching the handle of devices
CH61566A
(en )
1913-10-01
Device for holding objects
CH57068A
(en )
1912-12-02
Device for lowering coffins
CH74343A
(en )
1917-06-01
Device for cutting ovals and circles
CH51785A
(en )
1911-09-16
Device for crushing ice
CH56565A
(en )
1912-11-16
Device for transferring drawings
CH72389A
(en )
1916-08-01
Device for recording game results
CH73984A
(en )
1916-12-16
Device for recording game results
CH50793A
(en )
1911-07-01
Device for finishing bricks
CH67773A
(en )
1915-01-02
Device for chalking billiards quens
CH51315A
(en )
1911-08-16
Device for cutting threads
CH71301A
(en )
1915-12-16
Device for cleaning floors and beans
CH67623A
(en )
1914-12-16
Device for grinding circular knives and similar rotary tools
CH49162A
(en )
1911-01-16
Double insert for grinding diamonds