Inventor: de Looff, Tonny M.
Inventor: de Looff, Tonny M.
Inventor: Podaras, Peter, Pellett, Harold M.
Inventor: Vergara, Levi Mansur, Ramirez, Gabriela Verdugo
Inventor: Blay, John William, Blay, Violet Marilyn
Inventor: Vergara, Levi Mansur, Ramirez, Gabriela Verdugo
Inventor: Van der Salm, Catherine Joy, Freeman, Judith Louise
Inventor: Hoff, Petrus M. M.
Inventor: Hoff, Petrus M. M.
Inventor: Hoff, Petrus M. M.
Inventor: Hoff, Petrus M. M.
Inventor: Hoff, Petrus M. M.
Inventor: Hoff, Petrus M. M.
Inventor: Hoff, Petrus M. M.
Inventor: McRae, Judith F.
Inventor: Hoff, Petrus M. M.