Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4228114 | Method for the construction of elongated concrete structures such as bridges and the like | Klaus Alsen, Jurgen Maletzke, Johann Wimmer | 1980-10-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4228114 | Method for the construction of elongated concrete structures such as bridges and the like | Klaus Alsen, Jurgen Maletzke, Johann Wimmer | 1980-10-14 |