Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846883 | Succinic acid derivatives and plant growth regulating compositions containing them | Gyorgy; Matolcsy, Gyula Kerekes, Endre Vasarhelyi, Magda, nee Kalman Kovacs, Ivan Belai | 1989-07-11 |