Charles H. Duell ( 4 of 4 )
Everything that can be invented has been invented.
Everything that can be invented has been invented.
Everything that can be invented has been invented. -- Charles H. Duell, Commissioner, U.S. Office of Patents, 1899.
Everything that can be invented has been invented. -- Charles H. Duell, Commissioner, U.S. Office of Patents, 1899.
Our inventions mirror our secret wishes.
Our inventions mirror our secret wishes.
Everything that can be invented, has been invented. - 1899.
Everything that can be invented, has been invented. - 1899.