Inventor: de Ruyver, Kurt
Inventor: Turpin, Susanna
Inventor: Turpin, Susanna
Inventor: Kievit, Christa
Inventor: Hjeltnes, Stein Harald
Inventor: Thibault, Bernard
Inventor: Hart, Roy, Brewer, Lester Raymond
Inventor: Ranney, Thomas G.
Inventor: Kopan, Volodymyr
Inventor: Spira, Joel S., Spira, Ruth R.
Inventor: Spira, Joel S., Spira, Ruth R.
Inventor: Hunter, David Michael, Kappel, Frank
Inventor: Doyle, James F.
Inventor: Talmadge, Paul A.
Inventor: Hunter, David Michael, Kappel, Frank