Inventor: Kardos, Joshua H., Dirr, Michael A.
Inventor: Torn, Douglas I.
Inventor: Lee, Robert Edward
Inventor: Dirr, Michael A.
Inventor: Barendse, Nicolaas Wilhelmus Jozef Maria
Inventor: Bell, Henry F. D.
Inventor: Bell, Henry F. D.
Inventor: Hollingsworth, Donald