Tag: Punched

  • Punched Card Calculator Patented

    January 8, 1889 Herman Hollerith is issued a US patentĀ for his punched card calculator. 7 years later he starts a company called the Tabulating Machine Company. In 1911, this is one of 4 companies that merge to form the company that will one day be called IBM. Punched Card Calculator Patented is original content of…