Inventor: van der Velden, Josephus M.
Inventor: Schoenmakers, Kees
Inventor: Cornelis, Daniel
Inventor: Jack, Brian, Syme, Victoria
Inventor: Jack, Brian, Syme, Victoria
Inventor: Jack, Brian, Syme, Victoria
Inventor: Jack, Brian, Syme, Victoria
Inventor: Angus, Timothy P., Derera, Nicholas F.
Inventor: Angus, Timothy P., Derera, Nicholas F.
Inventor: Bradford, Virginia
Inventor: McGuire, Orvid E.