Today, 153 years ago, Hymen Lipman was awarded a patent for an eraser tipped pencil. So that means today is National Pencil Day! We have some trivia over at the Pencils.com blog.
Today, 153 years ago, Hymen Lipman was awarded a patent for an eraser tipped pencil. So that means today is National Pencil Day! We have some trivia over at the Pencils.com blog.