Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7638636 | Phosphonium and imidazolium salts and methods of their preparation | Yuehui Zhou, Allan J. Robertson, John H. Hillhouse | 2009-12-29 |
| 5744992 | Digital phase shifter | — | 1998-04-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7638636 | Phosphonium and imidazolium salts and methods of their preparation | Yuehui Zhou, Allan J. Robertson, John H. Hillhouse | 2009-12-29 |
| 5744992 | Digital phase shifter | — | 1998-04-28 |