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en.wikipedia.org/wiki/Pencil_sharpener

A pencil sharpener is a device for sharpening a pencil's writing point by shaving ... Pencil sharpeners made this task much easier and gave a more uniform result. Some specialized types of pencils, such as carpenter's ...

www.historyofpencils.com/writing-instruments-history/pencil-sharpener-history

The first sharpener to fix this problem was A.B. Dick Planetary Pencil Pointer invented in 1896. It had two milling disks that rotated around their respective axes  ...

www.officemuseum.com/electric_sharpener_gallery.htm

"Thomas Hefferman has made an art of pencil sharpening. An important member of the Long Lines Traffic Co., New York City, is Tom. On average he sharpens a ...

www.todayifoundout.com/index.php/2015/01/invention-pencil-sharpener

Jan 28, 2015 ... Though this was the first mechanical pencil sharpener, it wasn't much ... They named their invention the “Styloxynon” and it was pretty close to ...

gizmodo.com/how-the-pencil-sharpener-was-invented-1682242025

Jan 28, 2015 ... Though this was the first mechanical pencil sharpener, it wasn't much ... Estwaux invented a conical-shaped device that, when a pencil was ...

www.swinglineblog.com/05/history-pencil-sharpeners-2

May 30, 2011 ... Throughout human history startling technological leaps have made life easier and work more efficient. According to the folks at Pencil.com (who ...

www.biography.com/people/john-lee-love-21341825

Sep 23, 2016 ... While the pencil sharpener was Love's most successful invention, it was not his first. In 1895, he created and patented an improved plasterer's ...

2pat.wordpress.com/2009/02/25/who-invented-the-pencil-sharpener

Feb 25, 2009 ... Of course the very first pencil sharpeners were knives and blades, but the first patent for a tool especially for sharpening pencils was made by ...

www.whenwasitinvented.org/when-was-the-pencil-sharpener-invented

Dec 23, 2011 ... The first patent for an invention to sharpen pencils was applied in 1828 by French mathematician Bernard Lassimone. The improved ...