Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944788 | Substituted nitro and cyanoguanidines and their use for increasing crop yields | Laurine M. Speltz, Bryant Leonidas Walworth | 1990-07-31 |
| 4804780 | Substituted nitro and cyanoguanidines | Laurine M. Speltz, Bryant Leonidas Walworth | 1989-02-14 |
| 4594092 | Substituted nitro and cyanoguanidines and their use of increasing crop yields | Laurine M. Speltz, Bryant Leonidas Walworth | 1986-06-10 |