Inventor: Koning, Lammert
Inventor: Koning, Lammert
Inventor: Koning, Lammert
Inventor: Koning, Lammert
Inventor: Koning, Lammert
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Danziger, Gavriel
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Charlesworth, Simon, Wilson, Fiona