Inventor: de Ruiter, Jacco
Inventor: de Ruiter, Jacco
Inventor: Saul, Robert Mark
Inventor: Bremer, Hinrich
Inventor: Troelstra, Johan
Inventor: Bakhuijzen, Arie
Inventor: Verhoef, Gijsbertus
Inventor: Jack, Brian, Syme, Victoria
Inventor: Jack, Brian, Syme, Victoria
Inventor: Jack, Brian, Syme, Victoria
Inventor: Jack, Brian, Syme, Victoria
Inventor: Angus, Timothy P., Derera, Nicholas F.