Inventors:
David K. Baugh - Robins IA, US
Joseph F. Jiacinto - Mount Vernon IA, US
Robert J. Frank - Cedar Rapids IA, US
Michael N. Newhouse - Cedar Rapids IA, US
Dana J. Jensen - Marion IA, US
Kent D. Benson - Marion IA, US
Daniel M. Zange - Robins IA, US
Gunther B. Frank - Robins IA, US
Bruce S. Kloster - Cedar Rapids IA, US
Richard L. Robertson - Cedar Rapids IA, US
Karl F. Hoech - Cedar Rapids IA, US