Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820489 | Test strips and a process for the production thereof | Anselm Rothe, Heinz-Friedrich Trasch | 1989-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820489 | Test strips and a process for the production thereof | Anselm Rothe, Heinz-Friedrich Trasch | 1989-04-11 |