Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543064 | Urination device | Elke Petra, Gert Gottsmann | 2003-04-08 |
| 6342043 | Swivelling fracture orthosis | Gert Gottsmann, Elke Petra | 2002-01-29 |
| 4287260 | Cordierite crystal-containing glaze | — | 1981-09-01 |