The document summarizes several Spanish inventions and inventors throughout history. It describes Isaac Peral inventing the first military submarine in 1887, though he did not receive recognition. It also discusses Ignacio Urresti inventing the pencil sharpener in 1945 and Enric Bernat inventing Chupa Chups lollipops and pioneering branding techniques. Finally, it briefly mentions Alejandro Campos Ramirez inventing foosball while recovering from war injuries in the hospital.