Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8117886 | Leak detector with a leak detector testing device | Norbert Rolff, Randolf Rolff, Sandra Seitz, Werner Grosse Bley, Daniel Wetzig | 2012-02-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8117886 | Leak detector with a leak detector testing device | Norbert Rolff, Randolf Rolff, Sandra Seitz, Werner Grosse Bley, Daniel Wetzig | 2012-02-21 |