Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8175799 | Location system | — | 2012-05-08 |
| 7281821 | Beacon light with at least one emitting diode and a method for retrofitting the beacon light onto an existing incandescent beacon light | Robert Martin, Tim Ellis, Chenhua You, Peter C. Wong | 2007-10-16 |