who made the first pencil sharpener
A look at the history of pencil sharpeners shows that the Frenchman Bernard Lassimone was the first to get a patent for pencil sharpeners in 1828. Following his invention, other designers made improvements and refinements. The Early Pencil Sharpeners. Pencils had been invented before the sharpener and people used knives to sharpen them. It was a tedious process and the result was uneven. After Lassimoneâs invention, Therry des Estwaux came out with a mechanical sharpener in 1844.