Inventor: Greyvenstein, Ockert F. C.
Inventor: Oates, John David
Inventor: Oates, John David
Inventor: Oates, John David
Inventor: Ramirez, Rolando Solano
Inventor: Bautista, Rodolfo Valdoz
Inventor: Ramirez, Rolando Solano
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Membrey, Stephen, Jackson, Bryan