Thomas Edison received his first patent, for a vote counter, in 1868. He invented a stock ticker and a quadruplex telegraph. He set up companies to manufacture and sell them. By 1877 he'd earned $40,000 from his inventions, a bit over a quarter of a million in today's dollars. He used the money to set up an "Invention Factory" that he hoped would turn out a small invention every week and two big inventions a year.
Read the rest of Wally Bock's post on innovation here.
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