Inventors:
Don Smith - Lake Ozark MO, US
Gunter Feickert - Rockenhausen, DE
Joseph Gallatin - Jefferson City MO, US
Keith B. Cooper - Eldon MO, US
Ralph Schmitz - Clinton Township MI, US
Ralf Flesch - Shelby Township MI, US
Dirk Brassat - Clarkston MI, US
Martin Stilleke - Recklinghausen, DE