2 Patents
n.d.no date or unknown
Induction melting of metals without a crucible
El-Kaddah, Nagy⋅Piwonka, Thomas S and Berry, John T (Inventors).
5014769
 
Induction melting of metals without a crucible
El-Kaddah, Nagy⋅Piwonka, Thomas S and Berry, John T (Inventors).
5033948