Popular Patents is a fascinating look at more than 80 inventions with detailed information about each invention's historical evolution, a biographical sketch of the inventor, and a brief description of how the invention was made. The introduction contains brief histories of U.S. patent laws, U.S. Patent and Trademark Office, and U.S. patent models. The book contains entries to over 80 inventions including: air conditioning, anesthetic,...
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Engineering Science Science & Math Science & Scientists Science & Technology Technology