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Listar por tema "inventions"

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    • Low-Cost Inventions and Patents 

      Salmerón-Manzano, Esther ; Manzano-Agugliaro, Francisco (Inventions, 2022)
      Inventions have been the technological advances of mankind. There are inventions of all kinds, some of which have lasted hundreds of years or even longer, preserving their essence. For example, the pipe as a means of ...

    • Low-Cost Inventions and Patents: Series II 

      Salmerón-Manzano, Esther; Manzano-Agugliaro, Francisco (Inventions, 2023)
      Inventions are new, unique, and useful creations or solutions to problems that have been developed through the process of invention. Inventions can exist tangibly, such as machines, devices, or products, or intangibly, ...