Inventor: van der Velden, Josephus M.
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: Schoenmakers, Kees
Inventor: Cornelis, Daniel
Inventor: Kolster, Peter R.
Inventor: Kolster, Peter R.
Inventor: Kolster, Peter R.
Inventor: Gass, Ronald E.
Inventor: Bradford, Virginia
Inventor: McGuire, Orvid E.
Inventor: Barcafer, Ellis H.