This sounds familiar at the 18:42 mark: "In 1814, Joseph Madersperger was granted a patent in Vienna. It took him a decade to build the machine, but he never c

This sounds familiar at the 18:42 mark: "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."