Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9366113 | Development and rehabilitation of wells and springs by a rotary nozzle device with angle adjustable nozzles | Gerhard Etschel | 2016-06-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9366113 | Development and rehabilitation of wells and springs by a rotary nozzle device with angle adjustable nozzles | Gerhard Etschel | 2016-06-14 |