Excerpt from Patents and the Useful Arts It has been deemed best to treat, in the outset, of the origin and growth of patent systems up to a time (the year 1800) when such systems had ceased to be experiments, and when their effect as stimulants of ingenuity had been determined. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.