Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8171959 | Dampener apparatus and method | Wolfgang Schubert, Ole V. Poulsen | 2012-05-08 |
| 5896871 | Method for washing the interior surfaces of tanks and containers | — | 1999-04-27 |