Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881344 | Sleeve for plant germination substrate | Rudolf Wagner | 1989-11-21 |
| 4820632 | Agent and process for the detection of redox systems | Gerd Zimmermann | 1989-04-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881344 | Sleeve for plant germination substrate | Rudolf Wagner | 1989-11-21 |
| 4820632 | Agent and process for the detection of redox systems | Gerd Zimmermann | 1989-04-11 |