Excerpt from Aeroplane Patents This book is intended neither as a treatise on Patent Law nor as a rival to the volumes of Abridgments of Specifications of Patents published by the British Patent Office. Its purpose may be expressed briefly as being to give useful hints and data relating to patents, to inventors and manufacturers interested in heavier. 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.