Nikola Tesla German Patent 139464 - Method and Device for the Utilization of Electrical Impulses or Vibrations Sent from a Distance by the Ether or the Earth or Both
Nikola Tesla German Patent 139465 - Method and Device for the Utilization of Electrical Impulses or Vibrations Sent from a Distance by the Ether or the Earth or Both
Nikola Tesla German Patent 47885 - Connection of the Wire Spools in Electricity Generators with Those of Motors
Nikola Tesla U.S. Patent 685,953 - Method of Intensifying and Utilizing Effects Transmitted Through Natural Media
Nikola Tesla Canadian Patent 142352 - Art of Transmitting Electrical Energy through the Natural Mediums
