Inventor: van der Velden, Josephus M.
Inventor: Schoenmakers, Kees
Inventor: Cornelis, Daniel
Inventor: Cave, James Andrew, Cave, Megan Kathryn
Inventor: Bennerup, Pierre
Inventor: Bowden, Donald R., Friedman, Paul W.
Inventor: Vletter, Floris
Inventor: Vletter, Floris
Inventor: Vletter, Floris
Inventor: Vletter, Floris
Inventor: Bradford, Virginia
Inventor: McGuire, Orvid E.
Inventor: Barcafer, Ellis H.