US1092877A
(en )
1914-04-14
Sharpening device.
CH69996A
(en )
1915-08-16
Machine for sharpening and honing knife blades for security devices
CH73487A
(en )
1916-10-02
Machine for sharpening razor blades
CH53044A
(en )
1912-01-16
Machine for cleaning and sharpening knives
CH57586A
(en )
1913-01-16
Machine for cutting and grinding knife bands
CH67623A
(en )
1914-12-16
Device for grinding circular knives and similar rotary tools
CH76229A
(en )
1917-11-16
Machine for sharpening razor blades
CH55784A
(en )
1912-09-02
Machine for grinding saw blades
CH64286A
(en )
1914-03-16
Machine for sharpening mower blades
CH75572A
(en )
1917-08-16
Machine for grinding band knives
CH86889A
(en )
1920-10-16
Device for sharpening and honing safety razor blades.
AT41087B
(en )
1910-02-25
Grinding device for sharpening the rotating circular knife of slicing machines u. like
CH70753A
(en )
1915-11-01
Machine for cutting the unembroidered edge of embroidery
CH76457A
(en )
1918-01-02
Device for sharpening and cleaning knife blades
CH62297A
(en )
1913-11-17
Device for sharpening and cleaning knives and for cleaning forks
CH44397A
(en )
1909-08-02
Grinding device for sharpening the rotating circular knife of slicing machines
CH58961A
(en )
1913-04-16
Machine for removing razor blades
CH75573A
(en )
1917-08-16
Machine for cutting and grinding panels
CH54773A
(en )
1912-06-17
Machine for sharpening scythes
CH66911A
(en )
1914-10-16
Apparatus for holding mower blades intended for sharpening
CH56094A
(en )
1912-10-01
Machine for cutting and salting radishes
CH47157A
(en )
1910-06-01
Machine for sharpening files
CH64534A
(en )
1914-04-01
Device for automatic grinding of the perforated discs and cross knives of cutting sets for meat cutting machines and other shredding machines
CH73006A
(en )
1916-08-01
Grinding and honing device for razor blades
CH71232A
(en )
1915-12-16
Machine for splitting and cutting leather