CH51972A
(en )
1911-10-16
Apparatus for sharpening pens and pencils
CH47277A
(en )
1910-06-16
Apparatus for sharpening pens and pencils
CH53600A
(en )
1912-03-01
Device for sharpening pens and pencils
CH52916A
(en )
1912-01-02
Device for sharpening writing materials
CH73807A
(en )
1916-11-16
Apparatus for sharpening chalk and the like
CH79131A
(en )
1918-10-01
Apparatus for sharpening chalk and the like
CH58939A
(en )
1913-04-01
Device for sharpening writing and drawing pens
CH37758A
(en )
1907-07-31
Apparatus for sharpening crayons
CH63377A
(en )
1914-01-16
Apparatus for marking out curves
FR430214A
(en )
1911-10-11
Pencil sharpener
FR447334A
(en )
1912-12-30
Device for sharpening pencils
CH47276A
(en )
1910-06-16
Device for carrying fountain pens for inkwells
CH53523A
(en )
1912-03-01
Apparatus for gluing wallpaper and other roll papers
CH56380A
(en )
1912-11-01
Device for applying letters and characters
CH49918A
(en )
1911-04-01
Pencil sharpening machine
FR429371A
(en )
1911-09-21
Pencil sharpening machine
CH53942A
(en )
1912-04-01
Apparatus for moistening textiles in an air-diluted room
CH71704A
(en )
1916-02-01
Shearer for sharpening pencils
CH50394A
(en )
1911-05-16
Apparatus for sharpening knives
FR408121A
(en )
1910-03-18
Advanced pencil sharpening machine
CH61404A
(en )
1913-09-16
Method and device for sorting regrind
CH49269A
(en )
1911-01-16
Method and device for sharpening millstones
CH57417A
(en )
1913-01-02
Method and device for conveying peat
FR512495A
(en )
1921-01-24
Tip protector for pencil, pen holder and the like
CH53146A
(en )
1912-02-01
Apparatus for generating gas