Inventor: Freyre, Rosanna
Inventor: Freyre, Rosanna
Inventor: Freyre, Rosanna
Inventor: van Gaalen, Rene, de Boer, Huibert Anne
Inventor: de Boer, Huibert Anne
Inventor: de Boer, Huibert Anne, van Gaalen, Rene
Inventor: de Boer, Huibert Anne
Inventor: Ruigrok, Wouter
Inventor: Grant, Greg, Hubbard, Agnes
Inventor: Ernest D. Williams