Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498341 | Method for characterizing ground water measurement points by distinguishing ground water from subterranean water accumulation | Joerg Dehnert, Klaus Freyer, Hanns-Christian Treutler | 2002-12-24 |
| 6232598 | Process and devices for characterizing ground water measurement points by distinguishing ground water from subterranean water accumulation | Joerg Dehnert, Klaus Freyer, Hanns-Christian Treutler | 2001-05-15 |