Inventor: Hoekert, Hendrick Cozijn
Inventor: Hoekert, Hendrick Cozijn
Inventor: Burton, Stephen
Inventor: Uebelhart, Georg
Inventor: Niekerk, Johan Van
Inventor: Burton, Stephen
Inventor: Uebelhart, Georg
Inventor: Burton, Stephen
Inventor: Burton, Stephen
Inventor: Hoekert, Hendrick Cozijn
Inventor: Hoekert, Hendrick Cozijn
Inventor: Hoekert, Hendrick Cozijn
Inventor: van Niekerk, Johan
Inventor: van Niekerk, Johan
Inventor: Hutchins, Graham
Inventor: Tooby, Hubert J.
Inventor: Gavello, Louis E.