Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4909267 | Cooling pipe for bar | Franz Tamm, Arnold Joachim, Hartmut Blank, Joachim Schulz, Hartmut Richter | 1990-03-20 |
| 4551183 | Method for improving the straightness of rolled steel | Franz Tamm, Kurt Welfle, Michael Seidel, Wolfgang Tettke, Karl-Heinz Luckfiel | 1985-11-05 |