Patent



Patent:

A patent is an exclusive license that gives an inventor the right to make, use, or sell an inventtion for a set period of time. More than 500,000 patents were issued from 1860-1890. This meant that we we were in a time of great invention during the Industrial Revolution. Information provided by the following: America: Pathways to the Present http://www.birkelandinnovasjon.no/ImageArchive/patent.jpg