Nikola Tesla German Patent 110050 - Circuit Breaker with Liquid Conductor Patent added February 19, 2020 - 2:53 AM
Nikola Tesla German Patent 110049 - Circuit Breaker with Liquid Conductor Patent added February 18, 2020 - 1:34 PM
Nikola Tesla German Patent 109865 - Circuit Breaker with Liquid Conductor Patent added February 18, 2020 - 12:00 PM
Nikola Tesla German Patent 93255 - Circuit Controller for Converting Currents with a Low Number of Turns into Currents with a High Number of Turns by Means of Capacitor Discharges Patent added February 15, 2020 - 1:18 AM
Nikola Tesla U.S. Patent 611,719 - Electrical Circuit Controller Patent added March 1, 2015 - 12:21 AM