 The patent also describes very generally with a drawing, a mechanical means to accomplish its purpose.This was put into practice starting in 1906 on the Ford Model K. The Model K had dual ignition systems, one of which was the Holley-Huff Magneto, or Huff System, manufactured by the Holley Brothers Company.It was designed by Edward S. Huff with US patent #882003 filed July 1, 1905 and assigned to Henry Ford.