Inventor: Danziger, Gabriel
Inventor: Damen, Petrus Thomas
Inventor: Damen, Petrus Thomas
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Schneider, Joshua L.
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Stemkens, Henricus G. W.
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Stemkens, Henricus G. W.