Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5422020 | Solid-bed reactor for biological sewage treatment | Josef Tylmann | 1995-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5422020 | Solid-bed reactor for biological sewage treatment | Josef Tylmann | 1995-06-06 |