Inventors:
Wolfgang Laux - Frankfurt, DE
Gerard Guillamot - Viroflay, FR
Frederick M. Laskovics - Cincinnati OH, US
Chi-Hsin R. King - Slingerlands NY, US
James E. Hitt - Midland MI, US
Ian A. Tomlinson - Midland MI, US
Johannes Nicolaas Koek - Sauwerd, NL