Patent (2018) - E. Fernandez Fueyo (inventor), Elena Fernandez Fueyo (inventor), Elena Fernandez Fueyo (inventor), E Fernández-Fueyo (inventor), Elena Fernández-Fueyo (inventor), Elena Fueyo (inventor), E Fueyo (inventor), E. Fueyo (inventor), E Fernandez Fueyo (inventor), E. Fernández-Fueyo (inventor), Elena Fernandez Fernandez Fueyo (inventor), Elena Fernandez Fernández-Fueyo (inventor), J. Dong (inventor), Jia Jia Dong (inventor), Frank Hollmann (inventor), F. Hollmann (inventor), F Hollmann (inventor)