Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9239138 | LED bulb optical system with uniform light distribution | Farhad Nourbakhsh, Xiyuan He, Wendell Carroll | 2016-01-19 |
| 8899794 | LED bulb optical system with uniform light distribution | Farhad Nourbakhsh, Xiyuan He, Wendell Carroll | 2014-12-02 |
| 7178555 | Pressure relief valve | Roger K. Engel | 2007-02-20 |