Inventor: Leis, Michelangelo, Martinelli, Alessio
Inventor: Cripps, John E.
Inventor: Moors, Jozef Jan
Inventor: Francis, Brendon
Inventor: Anderson, Beau J., Anderson, Jesse J.
Inventor: Leis, Michelangelo, Martinelli, Alessio, Tagliani, Francesco, Castagnoli, Gianfranco
Inventor: Maillard, Arsene, Maillard, Laurence
Inventor: Bedford, David, Luby, James
Inventor: Schell, Harold E.
Inventor: Bedford, David, Luby, James