Crossword clues for Inventor of a steam engine.:WATTSteam-engine inventorFULTONInventor using steam enginesWATTScottish inventor of steam engine.WATTInventor of steam engine (1736–1819).WATTInventor of a steam engine.WATTInventor of the steam engine.WATTInventor with three steam engine patentsOTISInventor of a vertical-use steam engine