Nikola Tesla U.S. Patent 405,859 - Method of Electrical Power Transmission Patent added March 1, 2015 - 12:20 AM
Nikola Tesla U.S. Patent 401,520 - Method of Operating Electro-Magnetic Motors Patent added March 1, 2015 - 12:20 AM
Nikola Tesla U.S. Patent 511,560 - System of Electrical Power Transmission Patent added March 1, 2015 - 12:20 AM
Nikola Tesla U.S. Patent 511,559 - Electrical Transmission of Power Patent added March 1, 2015 - 12:20 AM
Nikola Tesla U.S. Patent 511,915 - Electrical Transmission of Power Patent added March 1, 2015 - 12:20 AM
Nikola Tesla U.S. Patent 487,796 - System of Electrical Transmission of Power Patent added March 1, 2015 - 12:20 AM