Inventor: Negley, Sarah J.
Inventor: Danziger, Gavriel
Inventor: Montecucco, Edward Virgil
Inventor: Klemm, Nils, Glawe, Martin
Inventor: Hanes, Mitchell E.
Inventor: Klemm, Nils, Glawe, Martin
Inventor: Jones, Sidney James, Jones, David James
Inventor: Barends, Eveline