Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837043 | Process for the production of test strips by casting method | Helmut Engelmann, Karlheinz Hildenbrand | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837043 | Process for the production of test strips by casting method | Helmut Engelmann, Karlheinz Hildenbrand | 1989-06-06 |