Blanford, C. F. (Inventor), Gresil, M. (Inventor), Poutrel, Q.-A. (Inventor) & Malone, K. (Inventor), 2 Jan 2020, Patent No. WO2020002904A1, Priority date 25 Jun 2018, Priority No. GBGB1810371.3A
Blanford, C. F. (Inventor), Wehner, M. (Inventor) & Flitsch, S. (Inventor), 12 Nov 2015, Patent No. US10173898B2, 11 May 2015, Priority date 9 May 2014, Priority No. GB1408221.8