Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6040293 | Clavanins | Robert I. Lehrer, Chengquan Zhao | 2000-03-21 |
| 6010876 | Clavanins | Robert I. Lehrer, Sylvia L. Harwig, deceased, Chengquan Zhao | 2000-01-04 |
| 5998374 | Clavaspirins | Robert I. Lehrer, Chengquan Zhao | 1999-12-07 |