Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5498726 | Preparation of physostigmine carbamate derivatives from physostigmine | George E. Lee, Thomas B. K. Lee | 1996-03-12 |
| 5053513 | Method of reducing a carbonyl containing acridine | Thomas B. K. Lee, George E. Lee, George S. K. Wong, Keith E. Goehring | 1991-10-01 |