CH63552A
(en )
1914-02-02
Device for vacuuming and collecting dust
CH42297A
(en )
1909-01-16
Brush with device for vacuuming dust
CH58362A
(en )
1913-03-01
Device for cleaning and polishing footwear
CH56764A
(en )
1912-11-16
Device for collecting and transporting hay
FR19853E
(en )
1915-10-07
Device for vacuuming and collecting dust
CH65392A
(en )
1914-06-16
Device for grinding diamonds
CH63556A
(en )
1914-02-02
Device for stretching and unclamping shoes
CH64152A
(en )
1914-03-16
Device for collecting street rubbish
CH55833A
(en )
1912-09-16
Device for lowering people and securing them against falling
CH58385A
(en )
1913-03-01
Machine for vacuuming dust
CH60733A
(en )
1913-08-01
Device for cleaning knives and forks
CH46579A
(en )
1910-04-01
Device for knocking off dust from air filters
CH71301A
(en )
1915-12-16
Device for cleaning floors and beans
CH67287A
(en )
1914-11-16
Device for grinding and polishing precious stones
CH67286A
(en )
1914-11-16
Device for grinding and polishing precious stones
CH71993A
(en )
1916-03-16
Grinding and cleaning device
CH64744A
(en )
1914-04-16
Grinding and cleaning device
CH64351A
(en )
1914-04-01
Device for lowering people and loads
CH62297A
(en )
1913-11-17
Device for sharpening and cleaning knives and for cleaning forks
CH67623A
(en )
1914-12-16
Device for grinding circular knives and similar rotary tools
CH57068A
(en )
1912-12-02
Device for lowering coffins
CH62546A
(en )
1913-12-01
Device for stretching and pressing self-ties
CH67636A
(en )
1915-01-02
Method and device for operating centrifugal compressors
CH66461A
(en )
1914-09-16
Device for cleaning pipes
CH65210A
(en )
1914-06-01
Device for dewatering steam and cleaning sludge parts thereof