Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9387139 | Dual drive wheelchair | — | 2016-07-12 |
| 5296406 | Aluminum alloy/silicon-chromium sandwich schottky diode | John E. Readdie, Benjamin Kwan | 1994-03-22 |
| 5254869 | Aluminum alloy/silicon chromium sandwich schottky diode | John E. Readdie, Benjamin Kwan | 1993-10-19 |