Nikola Tesla German Patent 84335 - Pendulum Swinging in a Straight Line, Powered by Steam or Compressed Air
Nikola Tesla British Patent 2801 - Improvements in Reciprocating Engines and Means for Regulating the Period of the Same
Nikola Tesla U.S. Patent 685,955 - Apparatus for Utilizing Effects Transmitted From A Distance To A Receiving Device Through Natural Media
Nikola Tesla British Patent 13,563 - Improvements in, and Relating to, the Transmission of Electrical Energy
Nikola Tesla British Patent 186,083 - Improved Method of and Apparatus for the Economic Transformation of the Energy of Steam by Turbines