CH75479A
(en )
1918-01-02
Apparatus for holding razor blades while sharpening and honing the same
CH69810A
(en )
1915-08-02
Apparatus for sharpening and honing razor blades
CH73827A
(en )
1916-12-01
Apparatus for sharpening safety razor blades
CH73807A
(en )
1916-11-16
Apparatus for sharpening chalk and the like
CH79131A
(en )
1918-10-01
Apparatus for sharpening chalk and the like
CH66911A
(en )
1914-10-16
Apparatus for holding mower blades intended for sharpening
CH62297A
(en )
1913-11-17
Device for sharpening and cleaning knives and for cleaning forks
CH142225A
(en )
1930-09-15
Method and device for grinding, sharpening and polishing the teeth of tear rollers and saw-tooth rollers.
DK26642C
(en )
1920-09-13
Apparatus for grinding gillette blades and the like.
DK21624C
(en )
1916-11-06
Razor Sharpening Apparatus.
CH76229A
(en )
1917-11-16
Machine for sharpening razor blades
CH53044A
(en )
1912-01-16
Machine for cleaning and sharpening knives
CH62831A
(en )
1913-12-16
Method and apparatus for finishing the edges of pieces of leather
DK27608C
(en )
1921-05-17
Sharpening machine for razor blades and the like.
CH73938A
(en )
1916-12-16
Method and device for grinding the outer surface of conical rollers
CH78973A
(en )
1918-09-16
Honing device with means for re-sharpening fine cutting tools
CH71233A
(en )
1915-12-16
Process and tube mill for pre-grinding and fine grinding
AT139806B
(en )
1934-12-10
Process for the continuous grinding and polishing of glass plates.
FR20092E
(en )
1916-03-22
Method and apparatus for securing and holding diamonds on the cutter, in polishing
CH53561A
(en )
1912-03-01
Apparatus for cutting the explosive threads in ship embroidery
CH75151A
(en )
1917-06-01
Holder for holding ties, self-ties and the like in the correct position
CH70239A
(en )
1915-09-01
Method and apparatus for breaking coconuts and the like
CH53471A
(en )
1912-03-01
Apparatus for polishing gemstones
DK57847C
(en )
1940-07-29
Method and apparatus for forming a liquid jet intended for grinding surfaces with abrasive particles.
CH54364A
(en )
1912-05-17
Grinding device with holding device for the workpiece, in which the grinding stone does not become out of round and the workpiece is automatically rolled off on the grinding stone during operation