"In 1814, Joseph Madersperger was granted a patent in Vienna. It took him a decade to build the machine, but he never commercialized it. He spent the rest of his life trying to perfect the design."
"In 1814, Joseph Madersperger was granted a patent in Vienna. It took him a decade to build the machine, but he never commercialized it. He spent the rest of his life trying to perfect the design."