Inventor: de Boer, Petrus
Inventor: de Boer, Petrus
Inventor: Bullis, Patricia Gomez
Inventor: Boyle, Thomas H.
Inventor: Van Andel, Otto Jan Robert
Inventor: Van Andel, Otto Jan Robert
Inventor: Bullis, Patricia Gomez
Inventor: Kent, Jeffrey C.
Inventor: Bak, Elly, Steur, Nicolaas D. M.
Inventor: Skotak, Jr., Chester
Inventor: Skotak, Jr., Chester
Inventor: Bullis, III, Harvey R.
Inventor: Bullis, III, Harvey R.
Inventor: Bullis, Patricia Elena Gomez
Inventor: Pieper, Wilhelm K. H.