HF

Horst J. Feist

📍 Walldürn, DE: #9 of 27 inventorsTop 35%
Overall (All Time): #1,660,659 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5096635 Method of tempering carboniferous blanks in an autoclave — 1992-03-17
4942002 Process for converting carbon blanks into graphite electrodes — 1990-07-17
4454177 Process to impregnate the carbon consisting objects — 1984-06-12