 This led Eugene Cummings to file for a patent in 2003 on a machine that became the AutoMARK.This machine has a touch screen, tactile keyboard, and headphone jack, as well as support for several other assistive devices, and it records votes on ballots used by several widely used optical scan voting systems.By 2016, the AutoMARK was used statewide in 10 states in the United States, and widely used in 19 additional states.