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John Jacob Loud (November 2, 1844 – August 10, 1916) was an American inventor known for designing the first ballpoint pen. Trained as a lawyer at Harvard College, Loud worked at the Union National Bank in Weymouth, Massachusetts as a cashier.
John J. Loud (Weymouth, 2 de novembro de 1844 - 10 de agosto de 1916) foi um inventor americano conhecido por ser o primeiro a apresentar uma patente para a caneta esferográfica (válida somente nos EUA, assim como o Avião dos Irmãos Wright) em outubro de 1888.
John J. Loud (Weymouth, 2 de novembro de 1844 - 10 de agosto de 1916) foi um inventor americano conhecido por ser o primeiro a apresentar uma patente para a caneta esferográfica (válida somente nos EUA, assim como o Avião dos Irmãos Wright) em outubro de 1888. Factos rápidos.
John J. Loud. His name is John J. Loud, a Harvard-educated lawyer, leather tanner, and inventor born on November 2, 1844. In his leather tanning business, he often had to mark up leather to note where to cut it, and found that a pencil couldn’t do the job and a fountain pen was just too messy.
John Jacob Loud (November 2, 1844 – August 10, 1916) was an American inventor known for designing the first ballpoint pen. The principle of the ballpoint pen actually dates back to an 1888 patent owned by John J. Loud for a product to mark leather.
His name is John J. Loud, a Harvard-educated lawyer, leather tanner, and inventor born on November 2, 1844. In his leather tanning business, he often had to mark up leather to note where to cut it, and found that a pencil couldn’t do the job and a fountain pen was just too messy.
John Jacob Loud (2 de noviembre de 1844-10 de agosto de 1916) fue un inventor estadounidense conocido por diseñar el primer bolígrafo. [1]
