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Hymen L. Lipman is credited with registering the first patent for a pencil with an attached eraser on March 30, 1858 (U.S. Patent 19,783 ). A pencil is a Writing or Drawing instrument consisting of a thin stick of Pigment (usually Graphite, but can also be coloured pigment or An eraser or rubber is an article of Stationery that is used for removing Pencil and sometimes Pen writings Events 240 BC - 1st recorded Perihelion passage of Halley's Comet. Year 1858 ( MDCCCLVIII) was a Common year starting on Friday (link will display the full calendar of the Gregorian Calendar (or a Common

In 1862 Lipman sold his patent to Joseph Reckendorfer for $100,000, who went to sue the pencil manufacturer Faber for infringement[1]. Eberhard Faber GmbH was founded in 1922 in Neumarkt, near Nuremberg, Germany, as a pencil factory In 1875 the Supreme Court of the United States ruled against Reckendorfer declaring the patent invalid because his invention was actually a combination of two already known things with no new use[2].

References

  1. ^ Petroski, Henry (1990). The Pencil: A History of Design and Circumstance. New York: Alfred A. Knopf. ISBN 0-394-57422-2; ISBN 0-679-73415-5, page 171
  2. ^ http://supreme.justia.com/us/92/347/case.html Reckendorfer v. Faber 92 U. S. 347 (1875)


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