Nikola Tesla German Patent 99173 - Device for Obtaining High Frequency Currents from Direct Currents through Capacitor Discharges Patent added February 15, 2020 - 3:42 PM
Nikola Tesla British Patent 20,981 - Improvements Relating to the Production, Regulation, and Utilization of Electric Currents of High Frequency, and to Apparatus Therefor Patent added December 22, 2018 - 10:59 AM
Nikola Tesla U.S. Patent 609,250 - Electrical Igniter for Gas Engines Patent added March 1, 2015 - 12:21 AM
Nikola Tesla U.S. Patent 583,953 - Apparatus for Producing Currents of High Frequency Patent added March 1, 2015 - 12:21 AM
Nikola Tesla U.S. Patent 577,670 - Apparatus for Producing Electric Currents of High Frequency Patent added March 1, 2015 - 12:21 AM
Nikola Tesla U.S. Patent 568,180 - Apparatus for Producing Electrical Currents of High Frequency Patent added March 1, 2015 - 12:21 AM
Nikola Tesla U.S. Patent 568,179 - Method of and Apparatus for Producing Currents of High Frequency Patent added March 1, 2015 - 12:21 AM
Nikola Tesla U.S. Patent 568,178 - Method of Regulating Apparatus for Producing Electric Currents of High Frequency Patent added March 1, 2015 - 12:21 AM
Nikola Tesla U.S. Patent 568,177 - Apparatus for Producing Ozone Patent added March 1, 2015 - 12:21 AM