Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5246070 | Piping for the completion of a groundwater monitoring site | Horst Greve | 1993-09-21 |
| 5224389 | Method and apparatus for taking samples from a groundwater monitoring site | Niels D. Jensen, Jorgen Christensen, Hans-Joachim Jordan | 1993-07-06 |