08-08-1984: Chuck Hull has filed a patent application for stereolithography

This changed the face of industrial manufacturing by the technology we now know as "3Dprinting"

On August 8, 1984, Charles Hull filed a patent application for an "Apparatus for Production of Three-Dimensional Objects by Stereolithography," which officially marked the beginning of the development of additive technologies. Although he was not the first person to develop this production method, nor even the first to file a patent application for it, …