John j loud inventions
John Jacob Loud (November 2, – August 10, ) was an American inventor known for designing the first ballpoint pen.
Who invented the ballpoint pen
John Jacob Loud (November 2, – August 10, ) was an American inventor known for designing the first ballpoint pen.
John loud pen
John Jacob Loud (November 2, – August 10, ) was an American inventor known for designing the first ballpoint pen.
Who invented pen
John Jacob Loud, born on November 2, , in Weymouth, Massachusetts, is best known as the designer of the first ballpoint pen.