Inventor: Kamstra, Silvan
Inventor: Klemm, Per, Mundinger-Flad, Traude
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Stemkens, Henricus Godefridus Wilhelmus
Inventor: Gutter, Martien Everett
Inventor: Gutter, Martien Everett
Inventor: Gutter, Martien Everett
Inventor: Gutter, Martien Everett
Inventor: Gutter, Martien Everett
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Butcher, John, Gooderham, Paul
Inventor: Hooijman, Aloysius A. J.
Inventor: Bartels, Gosen B. H.
Inventor: Danziger, Gabriel
Inventor: Danziger, Gabriel
Inventor: Bartels, Goos B. H.
Inventor: George L. Thomas, Jr.
Inventor: George L. Thomas, Jr.
Inventor: Charles Brosius Thomas