OCR Text |
Show fcrfP,.. Office Hold Story of American Greatness 000 patents, some of which marked turning points in the history of the world. The steam, engine, telephone, electric light and airplane are only a few of the more obvious ones. The others are broken down into 310 classifications, under which there are some 50.000 sub-classifications. A patent gives the owner the exclusive ex-clusive right to make use or sell his invention or discovery throughout through-out the United States and its territories terri-tories for period of 17 year. es of the patent office, con-Sophie con-Sophie story of the prog-nerica prog-nerica and the achieve-' achieve-' men who helped build " country of ours. In these ; "birth certificates" of 'at Kf tnousands of inven-have inven-have placed America " to front in scientific 'and enlevement. Every week, 'J 1,1 fact, these files grow Americans are still in-"en in-"en though most of their brain children will not see the light of day until the war is over. The institution of patenting is pro-vided pro-vided for in article ?; the constitution of the United State, w-hich states that congress shall have the power "to fmole progress of science and useful arts. securing for limited times o au-Sfors au-Sfors and inventors the exclusive Sit to their respective wr.tings and Xhaeariy,-.- |