John Pratt (inventor)
John Jonathan Pratt (April 14, 1831 – 24/25 June 1905) was an American journalist and inventor, known for creating the Pterotype, one of the earliest typewriters.
John Jonathan Pratt (April 14, 1831 – 24/25 June 1905) was an American journalist and inventor, known for creating the Pterotype, one of the earliest typewriters.