Inventor: Burton, Stephen
Inventor: Lommerse, Henry
Inventor: Lommerse, Henry
Inventor: Lommerse, Henry
Inventor: Lommerse, Henry
Inventor: Noodelijk, Robert
Inventor: Lommerse, Henry
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beers, Catharina Maria
Inventor: Beekenkamp, Annie Cornelia
Inventor: Noodelijk, Robert
Inventor: Beekenkamp, Annie Cornelia
Inventor: Beekenkamp, Annie Cornelia
Inventor: Niekerk, Johan Van
Inventor: Burton, Stephen
Inventor: Burton, Stephen
Inventor: Burton, Stephen
Inventor: van Niekerk, Johan
Inventor: van Niekerk, Johan