Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017851 | Synergistic composition and process for selective weed control | Wolfgang Paul Iwanzik, Martin Schulte | 2000-01-25 |
| 5849665 | Synergistic composition and process for selective weed control | Wolfgang Paul Iwanzik, Martin Schulte | 1998-12-15 |
| 5296449 | Synergistic composition and method of selective weed control | Patrick Ryan, Urs Hofer, Richard Istead, Wolfgang Paul Iwanzik | 1994-03-22 |