Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D823378 | Hand stamp | Konrad Riegler, Helmut Lindner | 2018-07-17 |
| D820350 | Stamp pad | Konrad Riegler, Helmut Lindner | 2018-06-12 |
| 9895919 | Stamp and stamping insert | Konrad Riegler, Helmut Lindner | 2018-02-20 |