Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773552 | Closure for sample bottles | Wolfgang Riegger | 1988-09-27 |
| 4248355 | Closure for sample vials | Bruno Kolb, Peter Pospisil, Hubert Riegger | 1981-02-03 |
| 4237733 | Sampling device for measuring instruments | Bruno Kolb, Michael Jaklin, Peter Pospisil, Hubertus Riegger | 1980-12-09 |