Jack Hsieh

Follow

Person

Richland, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for the direct reduction of iron ore
- Patent number 4,212,452
- Issue date Jul 15, 1980
- Jack Hsieh
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the direct reduction of iron ore
- Patent number 4,160,663
- Issue date Jul 10, 1979
- Jack Hsieh
- C21 - METALLURGY OF IRON