Nikola Tesla German Patent 143453 - Device for Remote Control of Watercraft by Means of Electric Waves
Nikola Tesla British Patent 14,579 - Improvements in and Relating to the Transmission of Electrical Energy
Nikola Tesla Canadian Patent 142352 - Art of Transmitting Electrical Energy through the Natural Mediums
Nikola Tesla German Patent 99173 - Device for Obtaining High Frequency Currents from Direct Currents through Capacitor Discharges