First United States patent law was formalized in 1790. Last year alone the United States Patent Office issued almost 187,000 patents. Children could visit the very interesting Patent Office website at: http://www.uspto.gov/kids/.
Apr 102025
First United States patent law was formalized in 1790. Last year alone the United States Patent Office issued almost 187,000 patents. Children could visit the very interesting Patent Office website at: http://www.uspto.gov/kids/.