Inventor: Colfer, William J.
Inventor: de Groot, Leonardus S. J.
Inventor: Jordan, Stephen
Inventor: Jordan, Stephen
Inventor: Jordan, Stephen
Inventor: Colfer, William J.
Inventor: de Looff, Tonny M.
Inventor: de Looff, Tonny M.
Inventor: Colfer, William J.
Inventor: van Diemen, Hubertus T.
Inventor: Baars, Johannes
Inventor: Chahbandar, Medhat
Inventor: Chahbandar, Medhat
Inventor: Chahbandar, Medhat
Inventor: Baars, Johannes
Inventor: Chahbandar, Medhat
Inventor: Blay, John William, Blay, Violet Marilyn
Inventor: Chahbandar, Medhat
Inventor: Colfer, William J.
Inventor: Colfer, William J.
Inventor: Colfer, William J.
Inventor: Colfer, William J.