Inventor: Ault, James Robert
Inventor: Ault, James Robert
Inventor: Jacobs, Henricus Cornelius Maria
Inventor: Jensen, Bent Juhl
Inventor: Barnett, Daniel
Inventor: Kristiansen, Kell
Inventor: van Lankveld, Martinus T. M.
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beekenkamp, Annie Cornelia
Inventor: Ault, James Robert, Thomas, Catherine S.
Inventor: Wood, Timothy D.
Inventor: Jensen, Bent Juhl
Inventor: Jensen, Bent Juhl
Inventor: Niederlander, Andreas
Inventor: Nouws, Johan, Nouws, Guus
Inventor: Hayman, Michael
Inventor: Hooijman, Aloysius A. J.