Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9951561 | Rod section and rod section system | Elmar Koch, Martin Köper, Stefan Maschke | 2018-04-24 |
| 8997891 | Earth boring apparatus | — | 2015-04-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9951561 | Rod section and rod section system | Elmar Koch, Martin Köper, Stefan Maschke | 2018-04-24 |
| 8997891 | Earth boring apparatus | — | 2015-04-07 |