Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10428500 | Self-disinfecting drain trap having a coating | — | 2019-10-01 |
| 6666966 | Self-disinfecting drain trap in drainage channels | — | 2003-12-23 |
| 6241826 | Process for regenerating catalytic converters | Eckhard Dittmer | 2001-06-05 |