Wilhelm roentgen invented the first x-ray machine in on November 8,1995. The medical importance of X rays were recognized immediately after Roentgen's findings were published in 1895.Within weeks an X-ray machine was used in America to diagnose bone fractures.ilhelm roentgen invented the first x-ray machine in on November 8,1995. The medical importance of X rays were recognized immediately after Roentgen's findings were published in 1895.