Inventor: van der Velden, Josephus M.
Inventor: Kardos, Joshua H., Dirr, Michael A.
Inventor: Torn, Douglas I.
Inventor: Lee, Robert Edward
Inventor: Dirr, Michael A.
Inventor: Head, William A., Head, Robert H.
Inventor: Schoenmakers, Kees
Inventor: Cornelis, Daniel
Inventor: Van Opstal, Ron
Inventor: Barendse, Nicolaas Wilhelmus Jozef Maria
Inventor: Bolwijn, A. L. Ch.
Inventor: Zebehazy, Alex J.
Inventor: Zebehazy, Alex J.
Inventor: Zebehazy, Alex J.
Inventor: Bradford, Virginia