Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690896 | Device for the determination of micro-organisms | Reinhard Sieck | 1987-09-01 |
| 4675298 | Petri dish | — | 1987-06-23 |
| 4434890 | Packaging container for sensitive products | Reinhard Sieck | 1984-03-06 |