Inventor: Kardos, Joshua H., Dirr, Michael A.
Inventor: Torn, Douglas I.
Inventor: Lee, Robert Edward
Inventor: Dirr, Michael A.
Inventor: Van Blokland, Robbert G. C.
Inventor: Meiland, Jacobus Hendrikus
Inventor: Barendse, Nicolaas Wilhelmus Jozef Maria
Inventor: Hollingsworth, Donald