Inventors:
Wallace J. Elston - Paw Paw MI, US
Layne E. Heilman - Osceola IN, US
Gale R. Horst - Watervilet MI, US
Anthony E. Jenkins - Stevensville MI, US
Greg S. Lieto - Grand Haven MI, US
Richard A. McCoy - Stevensville MI, US
Matthew J. Nibbelink - St. Joseph MI, US
Randy A. Voss - St. Joseph MI, US
Andrew D. Whipple - St. Joseph MI, US