In 1858, the pencil with an attached eraser was patented by Hyman L. Lipman.
In 1862, Lipman sold his patent to Joseph Reckendorfer for $100,000.
Learn more at http://en.wikipedia.org/wiki/Hymen_Lipman
About The Author
Judy Novotny
Judy is a computer veteran with 30 years of experience. She has owned everything from a TRS-80, Apple IIe and various Windows-based PCs. She is currently living in her Apple ecosystem at home consisting of an iPhone, iPad, iMac, MacBook, Apple TV, iPod nano and two Time Capsules. She is a fan of all things mobile since she got her first Palm Pilot in 1999. Check out her iPad app, Number Wizard, in the App Store. Follow her on Twitter @junovotech or at Junovo.com.