But even if General's pencil-making process is still defined by the 28 patents Weissenborn filed in the late 1800s on machines that date back to that time, the strategy for how a pencil company ...

In the 1800s various pencil companies started painting the wood exteriors of pencils, often to disguise the poor quality of the wood making up the pencil. The Koh-I-Noor Company made the highest ...