Incredible Patent - Definition References. In 1880 alexander graham bell was granted a patent on an apparatus for signalling and communicating called a photophone. A patent is an official right to be the only person or company allowed to make or sell a.

Web 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. Web 08.01.2019 grĂ¼ndung das patent: A patent is an official right to be the only person or company allowed to make or sell a.