Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Jamieson, Richard
Inventor: Fulcher, Richard John
Inventor: Kievit, Christa
Inventor: Kievit, Christa
Inventor: Kievit, Christa
Inventor: Lambert, Harold
Inventor: Craigie, John Maxwell
Inventor: Tidmore, Ronald D.
Inventor: Holtmaat, Henricus Maria Joseph
Inventor: Holtmaat, Henricus Maria Joseph