DK41944C
(en )
1930-03-31
Method and machine for sharpening knife blades, especially blades for razors.
FR640733A
(en )
1928-07-20
Sharpening machine for mower blades, binders and various tools
DK36891C
(en )
1926-12-13
Hand tool for sharpening razor blades.
DK40795C
(en )
1929-09-16
Sanding machine for razors and razor blades.
DK39663C
(en )
1929-01-02
Sanding machine for double-edged razor blades.
DK39576C
(en )
1928-12-10
Apparatus for Sharpening Razor Blades.
DK40403C
(en )
1929-07-01
Ejection device for Sharpening machines for razor blades.
DK41315C
(en )
1929-12-16
Blade for Razors.
ES103216A1
(en )
1927-08-01
Apparatus for sharpening and softening razor blades.
DK55807C
(en )
1939-02-06
Apparatus for sharpening double-edged razor blades.
DK50611C
(en )
1935-09-02
Sanding machine for double-edged razor blades.
ES125695A1
(en )
1932-03-16
Apparatus for sharpening razor blades.
ES107984A1
(en )
1928-08-01
A safety knife for shaving, automatic sharpening.
FR654872A
(en )
1929-04-11
Sharpening machine for mower blades, binders and various tools
DK44143C
(en )
1931-05-18
Machine for Grinding Razor Blades.
DK43520C
(en )
1930-12-22
Grinding machine for Cutting Machine Knives.
ES94796A3
(en )
1925-12-16
An apparatus for sharpening razor blades.
CH147874A
(en )
1931-06-30
Saw blade sharpening machine.
FR626866A
(en )
1927-09-21
Blade holder for sharpening so-called razor blades
DK53432C
(en )
1937-08-09
Apparatus for sharpening or sharpening razor blades.
ES100379A1
(en )
1927-02-01
An aluminum roller for sharpening cutting instruments, particularly razor blades.
ES94648A1
(en )
1925-12-16
Improvements in devices for sharpening safety razor blades for shaving.
DK48824C
(en )
1934-06-04
Apparatus for sharpening razor blades.
FR732102A
(en )
1932-09-13
Machine for grinding or sharpening the blades of knives, scissors, etc.
ES104901A1
(en )
1927-12-16
An apparatus for sharpening steel blades for shaving.