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: Ranney, Thomas G.
Inventor: Ranney, Thomas G.
Inventor: Ranney, Thomas G.
Inventor: Gutter, Martien Everett
Inventor: Gutter, Martien Everett
Inventor: Fleuren, Henricus Marie Gerardus Carolus
Inventor: Gutter, Martien Everett
Inventor: Gutter, Martien Everett
Inventor: Gutter, Martien Everett
Inventor: Clarke, Walter B.
Inventor: Clarke, Walter B.
Inventor: Clarke, Walter B.
Inventor: Grullemans, John J.