David K. HOFFMAN JR.

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Waltersburg, PA, US

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Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND PROCESSES FOR RECOVERY OF HIGH-GRADE RARE EARTH CONCENT...
- Publication number 20230039988
- Publication date Feb 9, 2023
- West Virginia University Board of Governors on behalf of West Virginia Univer...
- Paul F. Ziemkiewicz
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEMS AND PROCESSES FOR RECOVERY OF HIGH-GRADE RARE EARTH CONCENT...
- Publication number 20220340997
- Publication date Oct 27, 2022
- West Virginia University
- Paul F. ZIEMKIEWICZ
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...