Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4965254 | Agents for combating pests | John P. Anderson, Bernhard Homeyer, Engelbert Kuhle, Hans Scheinpflug, Walter M. Zeck | 1990-10-23 |
| 4690947 | Synergistic composition for the control of arthropods | Walter M. Zeck | 1987-09-01 |
| 4656163 | Compositions and methods of combating pests employing sulphenic acid amides in combination with known nematicides or insecticides | John P. Anderson, Bernhard Homeyer, Engelbert Kuhle, Hans Scheinpflug, Walter M. Zeck | 1987-04-07 |
| 4603214 | Agents for combating pests | John P. Anderson, Bernhard Homeyer, Engelbert Kuhle, Hans Scheinpflug, Walter M. Zeck | 1986-07-29 |