TeslaTouch uses an effect that has been known since at least 1954 [1] and has been subject of some research so far. This does not mean that noone has IP on an i

TeslaTouch uses an effect that has been known since at least 1954 [1] and has been subject of some research so far. This does not mean that noone has IP on an implementation, though. [1] Mallinckrodt, E., A. Hughes, and W. Sleator, Perception by the Skin of Electrically Induced Vibrations. Science, 1953. 118(3062): pp. 277-278. (from the academic paper on TeslaTouch)