Patents

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Patent documents describe inventions and offer accurate information about the history of technology. This book shows how patents and the inventions they describe have shaped the modern world. Patent documents from the 19th century to the present are covered, from frozen foods an…

Patent documents describe inventions and offer accurate information about the history of technology. This book shows how patents and the inventions they describe have shaped the modern world. Patent documents from the 19th century to the present are covered, from frozen foods an…