Patent (2020) - Margarethus M. Paulides (inventor), Margarethus M. Paulides (inventor), A.L. van den Berg (inventor), N. Bogerd (inventor), Gerard C. van Rhoon (inventor), Gerard C.Van Rhoon (inventor), G. C. Rhoon (inventor), Gerard C.Van Van Rhoon (inventor), Gerard C. Rhoon (inventor), Gerard C. Van Rhoon (inventor), G. C. Van Rhoon (inventor), Gerard C.Van van Rhoon (inventor), Gerard van Rhoon (inventor), Gerard Rhoon (inventor), G. C. van Rhoon (inventor), G.C. van Rhoon (inventor), G.C. Rhoon (inventor), Gerard Van Rhoon (inventor), G.C. Van Rhoon (inventor), I.A. Ruiter (inventor), Iemkje Ruiter (inventor), Iemkje A. Ruiter (inventor)