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Hymen L. Lipman (c. 1817/1823 – November 4, 1893) is credited with registering the first patent for a pencil with an attached eraser on March 30, 1858 (U.S. patent 19,783). Hymen L. Lipman was born March 20, 1817, in either Kingston, Jamaica or in the Bahamas, to English parents.
Invented by Harold Grossman [53] for the Empire Pencil Company in 1967, plastic pencils were subsequently improved upon by Arthur D. Little for Empire from 1969 through the early 1970s; the plastic pencil was commercialised by Empire as the "EPCON" Pencil. These pencils were co-extruded, extruding a plasticised graphite mix within a wood ...
Nicolas-Jacques Conté (French pronunciation: [nikɔla ʒak kɔ̃te]; 4 August 1755 – 6 December 1805) was a French inventor of the modern pencil. [1]He was born at Saint-Céneri-près-Sées (now Aunou-sur-Orne) in Normandy and distinguished himself for his mechanical genius, which was of great avail to the French army in Egypt.
During the 1860s, people typically wrote with quill pens and ink even though Dixon introduced graphite pencils in 1829. But the American Civil War created a demand for a dry, clean, portable writing instrument and led to the mass production of pencils. At the time of Dixon's death in 1869, the Joseph Dixon Crucible Company was the largest ...
On 24 January 1906 he registered the patent for an automatic pencil. Collaborating with an entrepreneur by the name of Edmund Moster, he started the Penkala-Moster Company and built a pen-and-pencil factory that was one of the biggest in the world at the time. As the business grew, a second factory was set up in Berlin.
The mechanical pencil (1822); the rights were sold to Sampson Mordan and Gabriel Riddle. [38] Trifocal corrective eyeglass lenses, patented in 1827, also coining the name "bifocal" for the dual focal length lenses invented by Benjamin Franklin [39] [40] Sugar refining, by the method of Edward Charles Howard for whom he had worked. [41]
Brazy "Brazy" is another word for "crazy," replacing the "c" with a "b." It can also be used to describe someone with great skill or who has accomplished something seemingly impossible.
By the age of fourteen, had conceptualized his first invention, the lighted pencil, which he deemed the "pencilite," and was attempting to market his idea. Over the course of his inventing career, he would experiment with ideas ranging from writing implements to engine improvements, and household products to sound and optic experiments.