Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6234555 | Closure apparatus for motor vehicle fuel tanks | Ulf Emmerich | 2001-05-22 |
| 6220271 | Checkvalve unit | Ulf Emmerich | 2001-04-24 |
| 6035881 | Checkvalve unit | Ulf Emmerich | 2000-03-14 |