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: Guldemond, deceased, Cornelius K.
Inventor: Guldemond, deceased, Cornelius K.
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer
Inventor: Arnold W. Fischer
Inventor: Hermann Holtkamp
Inventor: Hermann Holtkamp
Inventor: Hermann Holtkamp
Inventor: Hermann Holtkamp