Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372979 | Composite materials based on titanium diboride | Lorenz Sigl, Karl-Alexander Schwetz, Thomas Jungling, Fritz Thuemmler | 1994-12-13 |
| 4913739 | Method for powder metallurgical production of structural parts of great strength and hardness from Si-Mn or Si-Mn-C alloyed steels | Fritz Thummler, Aloisio Nelmo Klein | 1990-04-03 |