Before we begin any discussion about the technique of inventing, it would be profitable to think about what is and what is not an invention. A satisfactory set of criteria for use in defining true inventions is employed by the U.S. Patent Office. The term “satisfactory” is apt here, because the emphasis in this book will be on commercial practicality and industrial utilization of the invention. These are end results which distribute the work of the individual inventor for the greatest benefit of the general public.
KeywordsElectric Motor Individual Inventor Glycerine Water Direct Current Power Supply Drill Press
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