Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996887 | Device for taking samples of bottom sediments and bottom water from water basins | Martin Voll, Robert K. Eiskop | 1991-03-05 |
| 4709584 | Device for taking samples of bottom sediments from water basins | Martin Voll, Robert K. Eiskop | 1987-12-01 |