events
Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
Related Wikipedia articles
Herman Hollerith
American statistician and inventor
Herman Hollerith was a German-American statistician, inventor, and businessman who developed an electromechanical tabulating machine for punched cards to assist in summarizing information and, later, in accounting. His invention of the punched card tabulating machine, patented…Source: Wikipedia (CC BY-SA)
Patent
Type of legal protection for an invention
A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an enabling disclosure of the invention. In most countries, patent rights fall…Source: Wikipedia (CC BY-SA)
Punched card
Paper-based recording medium
A punched card is a stiff paper-based medium used to store and process digital or analog information through the presence or absence of holes in predefined positions. Developed from earlier uses in textile looms such as the Jacquard loom (1800s), the punched card was first…Source: Wikipedia (CC BY-SA)
Calculator
Electronic device used for calculations
An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics.Source: Wikipedia (CC BY-SA)