Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11090964 | Stamp and stamping insert, especially as a replacement part for a stamp | Markus Zehetner, Helmut Lindner | 2021-08-17 |
| 10974529 | Drive unit for a band gear in an impression unit for a stamp | Reinhard Leibezeder, Helmut Lindner | 2021-04-13 |