申请人 |
CRUCIBLE MATERIALS CORP., PITTSBURGH, PA., US |
发明人 |
CHANDHOK, VIJAY K., PITTSBURGH PENNSYLVANIA 15228, US;KRAUSE, ROBERT F., MURRYSVILLE PENNSYLVANIA 15668, US;MA, BAO-MIN, MCKEES ROCKS PENNSYLVANIA 15136, US;DUPLESSIS, JOHN J., ELIZABETHTOWN KENTUCKY 42701, US |