Inventor: de Boer, Petrus
Inventor: de Boer, Petrus
Inventor: Conibear, Sarah Frances
Inventor: Conibear, Sarah Frances
Inventor: Conibear, Sarah Frances
Inventor: Conibear, Sarah Frances
Inventor: Hooper, Vance James
Inventor: Dirr, Michael A.
Inventor: Pait, John, Muir, Nicholas
Inventor: Pait, John, Denchev, Plamen
Inventor: Pait, John, Denchev, Plamen
Inventor: Muranaka, Kanemi, Muranaka, George
Inventor: Boyd, III, Fernando Campbell, Dodson, III, George L.
Inventor: Van Andel, Otto Jan Robert
Inventor: Van Andel, Otto Jan Robert
Inventor: Stockmann, Ernst Adolf