Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5407938 | Certain 1-methyl-piperidine-4-spiro-4'-(1'-3'-oxazolines) and corresponding -(1',3' thiazolines) | Abraham Fisher, Ezra Shirin, Yishai Karton, Haim Meshulam | 1995-04-18 |
| 4948908 | Organo phosphorus compounds and pesticidal compositions | Moshe A. Frommer, Ezra Shirin | 1990-08-14 |