Inventor

IDSTEIN DONALD J

US3 patents

Patents

3 patents

US5321875AJun 21, 1994

Well block centering tool

BETHLEHEM STEEL CORP25 citations90

US5335896AAug 9, 1994

Nozzle insert for a steelmaking ladle

BETHLEHEM STEEL CORP14 citations67

US5337470AAug 16, 1994

Method and apparatus for removing a nozzle insert from a steelmaking ladle

BETHLEHEM STEEL CORP6 citations58